Steps
1. Heat olive oil in a non-stick skillet over medium heat.
2. Add minced garlic and sauté for 30 seconds until fragrant.
3. Add chopped spinach and cook until wilted, about 1-2 minutes.
4. In a bowl, whisk egg whites with a pinch of salt and pepper.
5. Pour egg whites into the skillet over spinach and garlic.
6. Cook until the edges start to set, then gently lift edges to allow uncooked egg to flow underneath.
7. Once mostly set, add avocado slices on one half.
8. Fold omelette in half and cook for another minute until cooked through.
9. Slide omelette onto plate, drizzle with a little fresh lemon juice if desired, and serve immediately.