Preparation:

1. In a sauté pan on medium heat, add canola oil. Sauté onions, yellow bell peppers, red bell peppers, sausage and salt.
2. In a baking dish, evenly spread pierogi. Place the sautéed vegetables and sausage over the pierogi. Mix thoroughly.
3. In a mixing bowl whisk together milk, eggs and 1 cup of cheddar cheese. Pour over pierogi and sausage mixture.
4. Top the bake with the remaining cheddar cheese and bake in the oven for 30 minutes at 350 °F.
5. Remove from oven and let cool for 2 minutes.
6. Serve immediately.

Serving Suggestion: Serve with sour cream and chives.