Every time I bring this to a party it’s an instant hit

Ingredients:
8 ounces shredded aged cheddar cheese
8 ounces shredded smoked Gouda cheese
1/2 cup mayonnaise
8 ounces cream cheese, at room temperature
8 ounces chopped roasted red peppers
1/2 teaspoon onion powder
1/2 teaspoon dry mustard
Cayenne pepper, if desired for heat
Optional: 2 teaspoons dried parsley
Instructions: