Seafood Alfredo with Shells for Valentines Day dinner

Seafood Alfredo with Shells

2 cups heavy whipping cream
1/2 cup butter
1/2 cup grated Parmesan cheese
1/2 cup shredded mozzarella cheese
1/2 cup shredded provolone cheese
1/2 cup grated Romano cheese
12 oz box mini shells
8 oz chopped spinach
1 can each baby shrimps and chopped clams

DIRECTIONS:
Cook shells 6 minutes or according to box directions. I added a diced sweet potato to the pasta water.
In a medium saucepan combine whipping cream and butter. Bring to a simmer over medium heat, stirring frequently until butter melts. Slowly stir in all four cheeses. Reduce heat to low, and continue to stir just until all cheese is melted. Stir in spinach and seafood. Simmer 2 minutes. Cover and turn off. Drain pasta and blend all together with 2 cloves chopped garlic and serve.