Crockpot Artichoke & Tangy Cheese Dip

2 cups shredded Cheddar cheese 1 cup fresh grated Parmesan cheese 1 cup mayonnaise 1 teaspoon dry mustard 1 teaspoon Worcestershire sauce 1 teaspoon grated onion 1/4 cup evaporated milk 1 cup artichoke hearts, drained and diced small 1/4 cup roasted red pepper, chopped fine (optional) 2 Tablespoons finely chopped green onion or chives for […]