"Tex-Mex" Mac 'n Cheese

1 lb Ground beef
OR ground turkey
1 Bell pepper -- chopped
1 Onion -- chopped
1/2 c Mushroom -- sliced
1 cn Tomato paste
1/2 c Water
1 cn Whole kernel corn --
Undrained
Salt, pepper, seasonings --
As desired
1 pk Macaroni and cheese
OR Velveeta and Shells

In large skillet, brown the ground beef or turkey with the chopped pepper, onion and mushrooms. Stir in the tomato paste and water and corn. Cook the macaroni and cheese according to package directions, adding milk and margarine if required. Add the macaroni and cheese to the beef mixture. Mix well and serve.