Peach Blueberry Cobbler (Cast Iron Skillet)

Name: Peach Blueberry Cobbler
Prep time: 30 min
Cook time: 45 min
Total time: 75 min
Ingredients: 8-10 peaches (peeled and sliced); 2 cups fresh blueberries; 2 tablespoons bourbon; 4 tablespoons cornstarch; 3/4 cup brown sugar (packed); 1/2 teaspoon ground ginger; 2 teaspoons lemon zest; 1/2 tablespoon fresh lemon juice; 1/2 teaspoon salt; 2 cups all-purpose flour; 1 1/2 teaspoons baking powder; 1/2 teaspoon baking soda; 1/4 cup granulated sugar; 1/2 teaspoon salt; 1/2 cup salted butter (cold, cubed (1 stick)); 1 cup cold buttermilk (plus extra for brushing)

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Golden peaches and deep purple blueberries tumble together under a blanket of flaky buttermilk biscuits, and the whole thing comes out of the oven smelling like brown sugar and bourbon. Peach Blueberry Cobbler is one of those desserts that looks like you spent all afternoon on it but comes together in about 30 minutes of hands-on work. A splash of bourbon, a pinch of ginger, and a preheated cast iron skillet turn simple summer fruit into the best cobbler you have ever made.

If you love peach desserts in cast iron, check out our Dutch Oven Peach Cobbler and Camp Oven Peach Dump Cake.

Peach blueberry cobbler in a cast iron skillet with plates and fresh fruit

Quick Look at this Recipe

✅ Recipe Name: Peach Blueberry Cobbler
🕒 Ready In: 1 hour 15 minutes (30 min prep, 45 min cook)
👪 Serves: 8 people
🥣 Main Ingredients: fresh peaches, blueberries, bourbon, buttermilk, brown sugar
📖 Dietary Info: Contains alcohol (cooks off), dairy
⭐ Why You'll Love It: Bourbon-kissed fruit under flaky buttermilk biscuits, all baked in a preheated cast iron skillet for crispy edges and a perfectly thickened filling.

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Quick Look at this Recipe
Why You'll Love Peach Blueberry Cobbler
What Makes This Cobbler Different
Ingredients You'll Need
How to Make Peach Blueberry Cobbler
Variations
Expert Tips for the Best Cobbler
What to Serve with Peach Blueberry Cobbler
Frequently Asked Questions
More Delicious Recipes
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Why You'll Love Peach Blueberry Cobbler

Two fruits, one incredible dessert. Peaches go tender and syrupy while blueberries burst into jammy pockets. The sweet-tart contrast makes this more interesting than a single-fruit cobbler.
Cast iron makes all the difference. Preheating the skillet means the filling starts cooking the moment it hits the pan. You get crispy edges, even heat, and zero soggy bottom.
Bourbon adds depth without being boozy. A splash of bourbon rounds out the fruit and adds warmth that pairs beautifully with the ginger and lemon zest. The alcohol cooks off completely.
Buttermilk biscuit topping, not cake mix. Cold butter and cold buttermilk create flaky, tender biscuits that rise in the oven. This is a from-scratch cobbler done right.

What Makes This Cobbler Different

Most cobblers get baked in a glass or ceramic dish, and the result is a soft, steamy dessert with no real texture contrast. This one uses a cast iron skillet, and the difference is worth talking about. Cast iron holds heat like nothing else. When you preheat that skillet for five minutes before adding the fruit, the bottom of the filling starts cooking on contact. The cornstarch activates faster at higher temperatures, which means the fruit juices thicken into a glossy, jammy sauce instead of a watery puddle. You also get slightly caramelized edges where the fruit touches the hot iron. Glass baking dishes simply cannot do that.

The flavor profile sets this apart too. Most peach cobblers rely on cinnamon alone, but this version uses bourbon and ground ginger as the supporting players. The bourbon adds a warm, rounded sweetness that enhances the natural fruit flavor without tasting boozy (all the alcohol cooks off in the oven). Ginger gives the filling a subtle kick that keeps it from being one-note sweet. Add fresh lemon zest and lemon juice to brighten everything up, and you have a filling that tastes complex without being complicated.

Then there is the topping. This is not a cake-mix cobbler or a poured-batter situation. The buttermilk biscuit dough uses cold butter cut into the flour, the same technique you would use for proper Southern biscuits. Cold buttermilk brings tang and tenderness. When those biscuit pieces hit the hot oven, the butter melts and creates steam pockets inside the dough. The result is a topping that is golden and crisp on top, tender and flaky inside, and holds its own against the bubbling fruit below.

Ingredients You'll Need

Ingredients for peach blueberry cobbler laid out on a wooden surface

Fresh Peaches: Ripe, juicy peaches are the star here. Fresh is best for flavor and texture. Frozen peaches work in a pinch (no need to thaw), and canned peaches (drained) will do in the off-season, but fresh peaches at peak ripeness are hard to beat.
Blueberries: Fresh blueberries burst during baking and create those beautiful jammy pockets throughout the filling. Frozen blueberries work fine; just toss them in straight from the bag.
Bourbon: A small amount rounds out the fruit and adds a warm depth you cannot get from vanilla alone. The alcohol cooks off completely in the oven. If you prefer not to use bourbon, substitute equal parts water or apple juice, or add 1 teaspoon of vanilla extract instead.
Cornstarch: This is the thickener that turns loose fruit juices into a glossy, spoonable sauce. Without it, the filling stays watery. Cornstarch needs to reach boiling temperature to activate, which is why preheating the skillet matters.
Buttermilk: Use it cold, straight from the refrigerator. Cold buttermilk keeps the butter in the dough from melting too early, which is the secret to flaky biscuit layers. It also adds a subtle tang that balances the sweetness of the fruit.
Brown Sugar: Light brown sugar in the filling brings a caramel-like sweetness that pairs naturally with peaches. A little goes into the biscuit topping too, for a hint of molasses flavor in every bite.

For the full ingredient list and measurements, scroll down to the recipe card below.

For another cast iron dessert with a brown sugar crunch, try our Bourbon Berry Brown Sugar Cake.

How to Make Peach Blueberry Cobbler

The process breaks down into two tracks that come together at the end. First, you toss the peaches and blueberries with bourbon, cornstarch, brown sugar, ginger, lemon zest, lemon juice, and a pinch of salt. While that fruit sits and starts releasing juice, you make the biscuit dough: whisk your dry ingredients, cut cold butter into pea-sized crumbs, then stir in cold buttermilk until a shaggy, cohesive dough comes together.

Preheat your cast iron skillet in the oven at 375 degrees F for five minutes, then carefully pour the fruit filling into the hot skillet. Flatten portions of biscuit dough and arrange them over the fruit with small gaps between pieces so steam can escape. Brush the dough with a little extra buttermilk and sprinkle turbinado sugar on top for crunch. Bake for about 45 minutes until the biscuits are golden brown and the filling is bubbling at the edges. Let it rest at least 10 minutes before serving so the filling has time to thicken up.

Peach and blueberry filling mixed with brown sugar and cornstarch

Step 1: Toss the Fruit. Combine peaches, blueberries, and bourbon in a large bowl. Add cornstarch, brown sugar, ginger, lemon zest, lemon juice, and salt. Stir gently.

Buttermilk biscuit dough in a mixing bowl

Step 2: Make the Dough. Whisk flour, baking powder, baking soda, sugar, and salt. Cut in cold butter until pea-sized crumbs form, then stir in cold buttermilk.

Peach and blueberry filling in a cast iron skillet

Step 3: Preheat the Skillet. Place your cast iron skillet in the oven at 375 degrees F for 5 minutes, then carefully pour in the fruit filling.

Biscuit dough dropped over peach blueberry filling in a cast iron skillet

Step 4: Drop the Dough. Flatten portions of dough and arrange over the fruit, leaving gaps for steam to escape. Brush with extra buttermilk.

Close-up of golden biscuit topping on peach blueberry cobbler

Step 5: Bake. 375 degrees F for 45 minutes until the biscuit topping is golden brown and the filling bubbles at the edges.

Peach blueberry cobbler served in a bowl with vanilla ice cream

Step 6: Rest and Serve. Cool for at least 10 minutes so the filling thickens. Serve warm with vanilla ice cream.

Variations

Berry swap: Use blackberries, raspberries, or a mixed berry blend in place of blueberries.
All-peach version: Skip the blueberries and double the peaches. Try our Dutch Oven Peach Cobbler for a dedicated all-peach recipe.
Gluten-free: Substitute a 1:1 gluten-free flour blend for the all-purpose flour. The biscuit texture changes slightly but still works well.
Spice it up: Add a pinch of nutmeg or cardamom alongside the ginger for a warmer flavor.
Camp oven version: Use a 12-inch camp Dutch oven with coals on the lid and underneath. Same recipe, same results, incredible campfire dessert.

Expert Tips for the Best Cobbler

Do not overmix the topping. A few lumps of butter are fine. Overmixing activates the gluten and makes the biscuit topping tough instead of tender and flaky.
Use ripe peaches. Underripe peaches will not release enough juice to create the filling. If your peaches are firm, let them ripen on the counter for 2 to 3 days before making this recipe.
Preheat your cast iron. Five minutes in the oven before adding the fruit means the filling starts cooking immediately on contact. This prevents the soggy layer that happens in cold baking dishes.
Leave gaps in the topping. Arranging the biscuit dough with small spaces between pieces lets steam from the bubbling fruit escape. The biscuits bake more evenly and the filling thickens properly.
Do not skip the cornstarch. Without it, the fruit juices stay thin and watery. Cornstarch thickens as it reaches boiling temperature, giving you a glossy, jammy sauce.
Let it rest 10 to 15 minutes. The filling continues to set as it cools. Serving immediately gives you a runny mess. Patience pays off here.

Love easy cast iron desserts? Our Southern Blackberry Cobbler uses a similar technique with a pie crust topping.

Spoon scooping peach blueberry cobbler from a cast iron skillet

What to Serve with Peach Blueberry Cobbler

Vanilla ice cream is the classic. A scoop on top of warm cobbler is one of those combinations that just works every time. The cold cream melts into the hot fruit and creates its own sauce.

Fresh whipped cream with a pinch of cinnamon is a lighter option that still feels indulgent. Whip it right before serving so it holds its shape on the warm cobbler.

A drizzle of caramel sauce over the top adds extra richness if you want to go all out. The caramel and bourbon-kissed peaches together are something special.

It is also perfectly good on its own, still warm from the oven, for breakfast the next morning. No judgment here.

If you want another cast iron dessert on the table, our Red, White, and Blue Berry Cobbler is a great choice for summer cookouts.

Frequently Asked Questions

What is the easiest way to peel peaches for cobbler?

Skip the vegetable peeler. Score an X on the bottom of each peach, drop them in boiling water for 30 to 60 seconds, then transfer to an ice bath. The skins slip right off. Touch up stubborn spots with a paring knife.

Can I use frozen peaches and blueberries?

Yes. Toss frozen fruit directly with the bourbon, cornstarch, sugar, and spices. No need to thaw first. Add 5 to 10 extra minutes of baking time since frozen fruit releases more liquid.

Do I have to use bourbon?

The bourbon adds warm depth that complements the peaches and ginger, and the alcohol cooks off during baking. You can substitute an equal amount of water, apple juice, or add 1 teaspoon of vanilla extract to the filling instead.

Why do I need to preheat the cast iron skillet?

The hot iron immediately starts cooking the bottom of the fruit, which helps the cornstarch activate and the filling thicken properly. It also prevents a gummy, undercooked layer where the biscuits meet the fruit.

Why is my cobbler filling runny?

The cobbler probably needs more time in the oven, or it has not rested long enough. Cornstarch requires the filling to reach a full boil to thicken. Make sure the fruit is actively bubbling in the center before pulling it out, and let it rest at least 10 minutes before serving.

Can I freeze this cobbler?

Yes. Let it cool completely, wrap in plastic wrap then foil, and freeze for up to 3 months. Thaw overnight in the refrigerator and reheat at 350 degrees F for about 20 minutes.