This dish is great with corn on the cob.
Preheat oven to 350 degrees.
Slice away pepper tops below stems.
Remove seeds and interior spines.
Gently parboil peppers about 5 minutes.
Drain upside down.
Set peppers aside. Saute onions and red pepper until soft. Add seasonings and mix well into mashed potatoes.
Carefully stuff peppers, set them in a deep- sided baking dish.
Pour tomato sauce around base of peppers.
Bake at 350 degrees for about 20 minutes covered.
Uncover, and bake 5 minutes longer.
Serve warm.
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