3 spaghetti carbonara for two Recipes

uncooked spaghetti, bacon strips, diced, butter, heavy whipping cream, grated parmesan cheese, crushed red pepper flakes, salt and pepper

good quality finely grated parmesan cheese (at least 8 oz, preferably 12), two eggs plus 1 egg yolk, four servings spaghetti, red onion, medium dice, two small bell pepper , slightly larger dice (any color), cremini mushroom, chopped (quarters or halves), good smokey lean bacon