For the Bean Layer:
Combine the black beans, pinto beans, and cannellini beans in a bowl.
Add the minced garlic, olive oil, smoked paprika, cumin, chili powder, cayenne pepper (if using), and lime juice.
Season with salt and pepper to taste.
For the Layers:
Layer the bean mixture in a dish.
Top with Greek yogurt, mashed avocado, diced tomatoes, cilantro, shredded cheddar cheese, sliced black olives, and diced red onions.
