Add onion, potato, & mushrooms. This was wonderful! In a small (8 inch) non-stick saute pan melt 1 1/2 tsp of the "butter". https://www.marilenaskitchen.com/2019/09/19/easy-stovetop-frittata Heat oil in large nonstick skillet on medium-high heat. Add potatoes and franks; cook 5 min. Coat veggies well and saute on medium heat for about 3 minutes, add salt and pepper, mix through the veggies, then throw the spinach … or until potatoes are browned, stirring occasionally. I changed up the ingredients a bit - fresh