Chipotle Black Bean Burritos

Name: Chipotle Black Bean Burritos
Ingredients: Chipotle Black Bean Burritos; 1 Tbsp avocado or grapeseed oil; 1/2 cup diced onion; 1/2 cup diced red bell peppers; 3 cloves garlic, minced; 1 (15-ounce) can black beans, drained and rinsed; 1 (10-ounce) can tomato and green chilies; 1-2 Tbsp Sriracha sauce; 2 tsp cumin; 1 tsp chipotle chili powder; 1/2 tsp sea salt; 1 cup frozen or canned corn; 1/2 cup sliced black olives; 1/4 cup chopped fresh cilantro; 1/2 cup cooked brown rice; 8-10 whole grain tortillas; 1/2 cup shredded Mexican cheese; 1 avocado, peeled and diced; 1/2 cup light sour cream