In a small bowl, mix tomatoes, basil, olive oil, apple cider vinegar, and salt and pepper to taste.
Lay out individual slices of prosciutto, then lay string cheese over the top.
Tightly roll the prosciutto around the mozzarella.
Serve together and enjoy!
Notes
This makes a total of 1 serving of 90-Second Loaded Keto Egg Cups. The serving comes out to be 507 calories, 32.7g fats, 3.3g net carbs, and 47.5g protein.