Heat the olive oil in a large pot over medium-high heat. Add the sweetpotato and onion, and cook until the onion begins to soften,approximately 3-4 minutes. Pour half of the lime juice over the apples tokeep them from turning brown until they are ready to be added.

Add the minced garlic, chili powder, cumin, smoked paprika, and salt.Continue cooking for 30 seconds, stirring constantly. Add the water, andbring to a simmer. Cover, and reduce the heat to medium-low. Simmerfor approximately 10 minutes, or until the sweet potatoes are tender.

While the sweet potato mixture is cooking, heat a large skillet pan overmedium-high heat. Add the turkey kielbasa to the pan. Cook approximately 5 minutes, stirring constantly, until the turkey is lightlybrowned on each side. Set aside.

Add the black beans, kidney beans, tomatoes, and remaining lime juiceto the sweet potato mixture. Increase the heat to high until the mixturereturns to a simmer, stirring often. Reduce the heat back to medium-low, and add the turkey kielbasa and apple. Stir well, and let simmer forabout 5 minutes. Remove from heat and serve. Top with cheese and sourcream if desired.