One-Pan Protein Packed Pizza Inspired Bake

Name: One-Pan Protein Packed Pizza Inspired Bake
Cuisine: European, American, Italian, Mediterranean
Ingredients: 1 Tbsp olive oil, or avocado oil; 2 lbs boneless skinless chicken thighs, fat trimmed and chopped into small bite sized pieces; 1/2 tsp garlic powder; 1/4 tsp onion powder; 2 tsp dried oregano; sea salt and freshly ground black pepper, to taste about 1/4 teaspoon each; 1 medium yellow onion, diced; 2 bell peppers, any color, diced; 2 (15 oz) jars tomato, or marinara sauce; 2 cups cooked quinoa, or brown rice; 1 cup shredded mozzarella cheese; nitrate free turkey pepperoni slices; 8 black olives, pitted and sliced; fresh basil, optional to garnish