Make homemade spicy Fra Diavolo sauce for pasta, shrimp, chicken, and more. This spicy tomato sauce is easy to make and brings delicious heat to any dish.
1
Heat the olive oil in a skillet. Once hot add the onions and cook for 4-6 minutes until beginning to soften. Add the garlic and Calabrian chilies (red pepper flakes). Cook for 1 minute.
3
Add the tomatoes and Italian seasoning. Bring to a simmer and cook for 15-30 minutes to deepen the flavor. It should thicken slightly. Taste and adjust spice level if needed. Season with salt and pepper.