This Quick and Easy Italian Sausage Marinara Sauce Recipe is a versatile meat sauce with so many uses. It makes a quick and flavorful meal as a pasta sauce, or over spaghetti squash, on rustic bread as a sandwich, in a lasagna and so much more!
In a large sauté pan over medium heat, cook sausage until browned. Remove from pan.
Return pan to heat, add the olive oil. When hot, add the onions and bell peppers, season with salt and pepper. Sauté until they have released their water and water has evaporated, and they are soft and starting to turn golden.
Add the garlic and oregano, sauté for 30 seconds. Stir in the crushed tomatoes, then the sausage. Simmer for at least 20 minutes to let flavors combine.