In large skillet saute' meat till light brown. Drain excess fat; add onion, garlic,chili powder and salt. Saute' 3 minutes. Add tomato sauce and simmer 10 minutes. If using fresh chilies, place under broiler about 8 minutes. Split chilies down one side and remove skin. Remove seeds.Stuff inside with meat mixture and roll in flour.Have ready a large skillet filled with 1 cm oil. Separate eggs. Beat whites stiff; beat yolks light. Fold yolks into whites. Lightly dunk peppers in mixture;ease into hot oil in skillet and cook until golden brown. Remove. Serve with hot sauce on the side.