Combine the refried beans, Rotel tomatoes, and taco seasoning. Spread the mixture in a casserole dish.
1
Mash the avocado. Mix in the lime juice, garlic, cilantro, onion powder, salt, and cayenne. Then, spread it over the bean layer.
2
Spread the sour cream over the avocado layer. Top with cheese, black olives, tomatoes, and green onions. Refrigerate before serving.
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