Keto Pasta Sauce

Name: Keto Pasta Sauce
Prep time: 10 min
Cook time: 25 min
Total time: 35 min
Cuisine: Italian
Ingredients: 2 tablespoons olive oil; 4 cloves fresh garlic (minced); 1 small onion (finely chopped); 4 fresh tomatoes (diced); 2 tablespoons tomato paste; 1 teaspoon dried oregano; 1 teaspoon dried basil; 1/2 teaspoon red pepper flakes; Sea salt and freshly cracked black pepper (to taste); 1 teaspoon erythritol; 2 tablespoons fresh parsley (chopped); 1 tablespoon butter