Heat olive oil in a large skillet over medium heat and add diced onion. Sauté until translucent and fragrant, about 5 minutes, stirring occasionally.
1 pound ground turkey or beef
Add minced garlic to the skillet and cook for about 30 seconds until fragrant, stirring constantly to prevent burning.
1 pound ground turkey or beef
Turn up the heat slightly and add ground meat to the skillet, breaking it apart with a wooden spoon. Cook until browned and cooked through, about 8 minutes.
1 pound ground turkey or beef
Transfer the cooked meat mixture to the slow cooker, then add the roasted pumpkin, diced tomatoes with juice, drained beans, chili powder, cumin, and cayenne pepper.
1 pound ground turkey or beef
Pour in the vegetable or chicken broth to help create a flavorful, simmering base, then stir everything together well.
1 pound ground turkey or beef
Set the slow cooker to low and cook uncovered for 6 hours, stirring occasionally. The chili will thicken and the flavors will meld beautifully.
Once the cooking time completes, give the chili a good stir, check the seasoning, and adjust salt or spices if needed. It should be rich, thick, and fragrant, with a vibrant orange hue from the pumpkin.