Vegetable muffins Snack by Monica Uppal Popli - May 3, 2020October 1, 2022 Vegetable muffins Print Recipe Pin Recipe Prep Time 7 minsCook Time 25 minsTotal Time 32 mins Servings 6 people Ingredients 1 cup egg whites1/2 cup chopped bell peppers of assorted colors1/2 cup tomatoes, diced1/2 cup onion, chopped1/2 cup spinach, chopped3/4 tsp salt1/4 tsp ground black pepper Instructions Preheat oven to 350°F. Spray a non-stick muffin tin with nonstick cooking spray.Mix chopped vegetables. Divide equally into each muffin cupNext whisk the egg whites into a bowl. Stir in the salt and pepper. Then pour over the vegetable mixture in the muffin tin, leaving 1/4″ from the top.Cook for 25 minutes. When cooked check by inserting a toothpick to see if it comes out clean Run a knife around the edges to pop the muffins out.