Heat the Olive Oil (3 tablespoon) in large sauté pan over medium heat. Add the Onion (1) and Green Bell Pepper (1) and cook, stirring occasionally, until soft, 2-3 minutes.
Add Garlic (3 clove) and cook for about 30 seconds.
Add the Ground Chicken (1 pound) and break the chicken into small clumps with a wooden spoon.
Add Cajun Seasoning (1 tablespoon), Smoked Paprika (1/2 teaspoon) and Dried Oregano (1/2 teaspoon). Cook until the chicken is partially cooked, about 5 minutes.
Stir in the Tomato Sauce (8 ounce), then reduce the heat to low, cover the pan and simmer, stirring occasionally until chicken is cooked through, 12 to 15 minutes.
Taste and adjust seasoning if needed. Serve with Hard Taco Shell (to taste), Lettuce (to taste), Tomato (to taste), Shredded Mexican Cheese Blend (to taste), Sour Cream (to taste) and Guacamole (to taste).