1 (35-ounce) can Tuttoroso peeled plum tomatoes, blended
Place tomatoes in blender and puree until smooth making sure you have 4 cups of tomato puree. Heat oil in a 12-inch skillet over medium heat. Add onion and 1/2 tsp. salt and cook until onion begins to brown, about 5 minutes. Stir in garlic and pepper flakes and cook until fragrant, about 30 seconds. Add meat and cook, breaking up meat until it is no longer pink, about 4 minutes.