In a large skillet, saute the sausage, peppers, onion and garlic in oil until vegetables are tender, about 10 minutes.
Add tomatoes and pepper flakes. Cook and stir for 5 minutes or until heated through.
Serve on Hoagie or sub rolls or with rice, if desired.
TO FREEZE:
Chop sausage, garlic, and vegetables and place in a gallon size freezer bag. Combine the tomatoes, pepper flakes and combine them in a sandwich bag to be placed with the vegetables inside the gallon size freezer bag.
To PREPARE:
Remove from freezer, defrost and stir fry for 5 minutes or until heated through.