Spinach and Artichoke Mac and Cheese

Name: Spinach and Artichoke Mac and Cheese
Ingredients: 1 pound pasta shells; 3.5 cups chicken broth (you can also use water, if needed); 1 tablespoon butter; 1 tablespoon minced garlic; 8 ounces cream cheese, cubed; 1 can artichoke hearts, rinsed and chopped; 10 ounces frozen spinach; 1 cup shredded Parmesan cheese; 1/2 cup grated Parmesan cheese; 1.5 cups Mozzarella cheese; 2 cups half and half; 1 tablespoon garlic pepper; 2 tablespoons Italian seasoning; Salt to taste; Red pepper flakes (optional)