Hard-Boiled Eggs With Avocado Sometimes the simplest breakfast ideas are the best, like this low-carb combination of hard-boiled eggs and diced avocado. Calories: 333 Carbs: 9.8 grams Protein: 13.1 grams Get the recipe: hard-boiled eggs with diced avocado Image Source: POPSUGAR Photography / Lizzie Fuhr