preheat oven to 375.
spray muffin tins with oil even in the tin is nonstick. Place 1 wonton wrapper in each muffin tin.
brown ground beef with onions. Drain and add seasoning.
add rotel, beans, corn, and 1 cup of shredded cheddar.
fill each wonton with filling. Top with remaining cheese and put in the oven. Cook for 11-15 minutes till tops of wrappers are brown and crispy.
Let wrappers sit for 5 minutes until they are cool enough to handle. Place on a plate and top with your favorite toppings.