Pasta with Tomato Cream Sauce

INGREDIENTS

• 2 Tablespoons Olive Oil
• 2 Tablespoons Butter
• 1 whole Medium Onion, Finely Diced
• 4 cloves Garlic, Minced
• 2 cans (15 Ounce Each) Tomato Sauce Or Marinara Sauce
• Salt And Pepper, to taste
• Dash Of Sugar (more To Taste)
• 1 cup Heavy Cream
• Grated Parmesan Or Romano Cheese, To Taste
• Fresh Basil, Chopped
• 1-1/2 pound Fettuccine