Reinvent your morning routine with a genius kitchen hack: the muffin pan. This plus a couple of eggs and tasty ingredients are all you need for easy breakfast egg muffins. And, get this: You can freeze these pre-portioned bites, so all you have to do is thaw, and pop in the microwave to reheat. Try out these low-carb recipes at 300 calories and 15 grams carbohydrates or less per serving. 9 Low-Carb Breakfast Egg Muffins Under 300 Calories 1. Spaghetti Squash Egg Cups | MyFitnessPal’s Original Recipe Spaghetti squash is a yummy way to fit veggies in for breakfast. Green onion gives these egg cups their flavor, but you can personalize this dish with your favorite spices instead. Serve with a side of sauteed spinach to increase the fiber, …