In a small cast iron pan heat olive oil on medium heat. Add in diced onion and cook for 6-8 minutes or until tender and translucent. Add in minced garlic and cook for 1-2 minutes or until fragrant. Transfer onion/garlic mixture to a blender, food processor of vitamix.
Add in the remaining ingredients and blend for 20-30 seconds or until mixture is smooth and no longer chunky. Return red pepper mixture to cast iron skillet and heat on medium heat until simmering. Top mixture off with red pepper flakes if you prefer a spicer sauce.
Serve up with pasta, garlic bread, flatbread, and Alpha Pizza Burritos!