Loaded Veggie + Chicken Casserole

Name: Loaded Veggie + Chicken Casserole
Cuisine: American
Ingredients: 1 red bell pepper, seeded & diced; 1 yellow bell pepper, seeded & diced; 1 red onion, diced; 1 pint cherry tomatoes; 4 fresh garlic cloves, minced; 3 heaping cups chopped fresh kale leaves, thick stems removed; 2 Tbsps homemade taco seasoning (recipe above); 1 Tbsp avocado oil or olive oil; 1 x 15 oz can chickpeas, drained and rinsed; 4 cups cooked shredded chicken; 1/2 cup homemade mayonnaise or plain Greek yogurt; sea salt and ground black pepper, to taste; 1 cup freshly shredded cheese