In a medium skillet coated with cooking spray, cook yellow onion over medium heat, stirring, 5 minutes.
Add kale and garlic, stir 5 minutes. Add potatoes.
Whisk eggs, egg whites, 2 tablespoons water and paprika in a bowl. Stir in kale-potato mixture.
In a cast iron skillet coated with cooking spray, cook egg mixture over medium-low heat 1 minute.
Transfer skillet to oven, bake until eggs are set and center is slightly runny, 6-8 minutes. Broil until top is golden brown about 1 minute.
Serve with a baked tomato and a salad per person. Halve tomato. Top each half with 2 tablespoons grated parmesan, 1 teaspoon olive oil and 1/8 teaspoon each chopped garlic, thyme, basil and parsley, season with pepper.
Broil 3-5 minutes. Combine 1 cup mixed lettuces, 1 slice red onion and 1/2 teaspoon each vinegar and olive oil.