Slow Cooker Spinach Artichoke Dip

Name: Slow Cooker Spinach Artichoke Dip
Prep time: 15 min
Cook time: 2 h
Total time: 2 h 15 min
Yield: 10
Ingredients: Ingredients; 8 oz cream cheese, softened; 1/2 cup mayonnaise; 1/2 cup sour cream; 1 cup shredded mozzarella cheese, divided; 3/4 cup grated Parmesan cheese, divided; 3 cloves garlic, minced; 10 oz frozen chopped spinach, thawed and drained; 1 (14 oz) can artichoke hearts, drained and chopped; 1/4 teaspoon red pepper flakes (optional); Salt and black pepper to taste; 2 tablespoons fresh chives, chopped (for garnish)