Peel potatoes. Cook potatoes in boiling water until tender. Drain; and cool. Cut into thin slices. Arrange potato slices in a 2qt. casserole dish.
Melt butter in skillet: add onion, bell pepper and garlic.Cook until the vegatables are tender but not brown. Pour the vegatables over the potatoes. Sprinkle bread crumbs and 1/4 cup grated cheese over potatoes.
Combine eggs, sour cream, salt and pepper: pour over potatoes.
Top with the remaining 1/4 cup of cheese.
Bake at 350 degrees for 20 minutes or until thoroughly heated.