In a large saucepan, sautee onion and garlic in olive oil until onion becomes translucent, pour in red wine, and crushed tomatoes. Season with crushed red pepper and kosher salt. simmer for about 25-30 minutes.
While sauce is simmering, in a separate pan, begin to cook plain-based italian sausage, chopping down with a wooden spoon while it is cooking until you get it to a fine ground meat texture.
Mix in plant-based sausage and fresh basil into marinara. Serve over your favorite pasta and enjoy!