In the slow cooker, use the sauté setting and add in the olive oil. Once hot, cook the ground turkey until no longer pink, about 5-7 minnutes.
Add in the onion, garlic, bell pepper, and Jalapeno. Cook for 3-5 minutes, or until tender and translucent.
stir in the chili powder, red pepper flakes (if using), cayenne pepper (if using), cumin, oregano, dried basil, smoked paprika, and bay leaf. Mix until combined.
Add in the cornstarch mixture, canned tomatoes, the canned beans, and 1/2 cup of the chicken stock. Carefully stir until well combined.
Turn on the slow cooker setting. Cook on high for 4 hours or low for 6-24 hours. Add the rest of the chicken stock if needed.
Serve with your choice of toppings and sides.