Heat 1 tablespoon of the oil in a very large skillet over medium-high heat. Add the salami and cook, stirring, until crisped, 7 to 8 minutes. Add the remaining onions bell peppers, and jalapeño and cook, stirring, until softened, 8 to 9 minutes. Add the garlic, paprika, and oregano and cook, stirring, for 2 minutes. Add the cauliflower, salt, and parsley and cook, stirring, until the cauliflower is tender, 2 to 3 minutes. Season with more salt and garnish with parsley.