Heat the Dutch oven over medium hight heat.
Once hot, add the oil and crumble in the sausage, cook 3 minutes, stirring.
Add the onions and bell peppers, cook 3 minutes, stirring frequently.
Drain any excess renderings.
Sprinkle in the chili mix, salt, pepper, garlic, cumin, and pumpkin pie spice, stir well to completely combine.
Remove from the heat and pour in the tomato sauce, stir.
Stir in the diced tomatoes, green chilies, brown sugar, and pumpkin; stir to combine.
Return to heat.
Bring to a simmer, taste for seasoning.
Add the cilantro and beans, stir gently.
Bring to a high simmer, stirring frequently.
Reduce heat to medium-low, cover, and simmer for an hour, stirring occasionally.
Serve with the optional garnishes and enjoy.