Preheat oven to 375 degrees F. and spray an 8x8 baking dish with nonstick cooking spray.
In a bowl, whisk together eggs and cottage cheese until smooth. Season with salt and pepper.
Sauté peppers and onions in a nonstick skillet for 2–3 minutes.
Pour in the egg mixture and scramble gently.
Stir in turkey sausage and half the cheese; cook until set.
Fill the tortillas, roll them, and place them seam-side down in the baking dish.
Top with the enchilada sauce and remaining cheese.
Bake for 15–20 minutes until bubbly. Serve with Greek yogurt on top.