Mushroom Shrimp Alfredo Pasta

Details

Ingredients

• 1 (16 ounce) box dry fettuccine pasta
• 1 pint heavy whipping cream
• 1 ¼ cups butter, divided
• ¾ cup grated Romano cheese
• ½ cup grated Parmesan cheese
• 3 cloves garlic, crushed, divided
• salt and ground black pepper to taste
• 2 tablespoons olive oil
• 1 large onion, chopped
• 8 ounces diced mushrooms
• 1 (8 ounce) package frozen shrimp, deveined and tails removed, thawed