Creamy Tomato Alfredo Sauce

Ingredients

• 1 small onion (finely diced)
• 1 tablespoon unsalted butter
• 2 tablespoons olive oil
• 2 cloves garlic (minced)
• 1 cup heavy cream
• 1 14-ounce can crushed tomatoes
• 1/2 teaspoon crushed red pepper (adjust to taste)
• 1/4 cup fresh parsley (chopped)
• 1/4 cup fresh basil (chopped)
• 1/2 cup grated Romano cheese
• 1 pound pasta
• Salt and freshly ground black pepper to taste