Warm a large skillet over medium heat and add a splash of olive oil.

Add the diced onion and bell pepper. Sauté for 4 to 5 minutes until the vegetables soften and the onion becomes translucent.

Push the vegetables to one side of the skillet. Add the ground turkey. Break it up with a spatula and spread it out to brown.

Cook for 6 to 8 minutes, stirring occasionally, until the turkey is cooked through and no longer pink.

Stir the vegetables and turkey together. Add the black beans, corn, and diced tomatoes. Sprinkle in the taco seasoning, then season with salt and pepper to taste.

Reduce the heat to low and let the mixture simmer for 5 to 10 minutes, stirring occasionally, until everything is heated through and the flavors meld.

Taste and adjust the seasoning as needed.

Serve directly from the skillet, spoon into taco shells, or make bowls with rice or greens.