In a bowl toss bread cubes with 2 teaspoons pumpkin pie spice to coat.
Add spiced bread to skillet and cook for 8 minutes or until toasted, turning occasionally.
Set aside at room temperature until ready to serve chili.
Heat the olive oil in a large skillet over medium-high heat.
Add the onions and bell peppers and sauté for 5 minutes or until the onion becomes translucent.
Add the turkey and sauté until browned.
Transfer mixture to a slow cooker.
Add pumpkin purée, kidney beans, tomato paste, chicken broth, cayenne pepper, chili powder, paprika, pepper, salt, cumin and remaining ½ teaspoon pumpkin pie spice to slow cooker and stir until combined.
Cook on high for 3 to 4 hours or on low for 6 to 8 hours.
Serve chili topped with croutons, pumpkin seeds and other favorite toppings.