Chicken and Spinach Pasta Bake

Ingredients

• 10 ounces dry pasta (I used a combination of rotini, farfalle and penne. Any similar size would work.)
• 2 tablespoons butter
• 1/2 onion, chopped
• 2 cloves garlic, minced
• 4 ounces chive and onion cream cheese
• 1 cup sour cream (or plain Greek yogurt)
• 1 cup whole milk, heavy cream or fat free half-and-half (I used half-and-half)
• 1/2 cup shredded or grated Parmesan cheese
• 2 cups shredded mozzarella cheese
• 1/2 teaspoon salt
• 1/2 teaspoon black pepper
• Pinch crushed red pepper flakes (optional)
• 1 – 1 1/2 cups chopped fresh spinach
• 2 cups cooked chicken (cubed or shredded)
• 1/2 cup fresh tomatoes, cut into large chunks (I used grape tomatoes sliced in half)
• Fresh basil or parsley, for garnish