Hot Cheesy Artichoke Dip

Hot Cheesy Artichoke Dip. This recipe will feed a crowd and it's rich!
Ingredients
1 cup mayonnaise
1 cup shredded Parmesan
1 cup mozzarella cheese
8 ounces cream cheese, at room temperature
1 (15-ounce) jar marinated artichoke hearts, drained and chopped well
1 green onion, finely chopped
1 clove garlic, minced
1/4 tsp. kosher salt
1/4 tsp. black pepper
1/4 tsp. cayenne pepper
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