I've never had Manwhich, so I don't know what it tastes like. BUT, I can guarantee you that this recipe tastes better and it's sooo easy. (I think I've mentioned before that I don't "do" recipes that aren't easy.)
1 onion (or onion powder if you're lazy like I)
2 tablespoons shortening (don't need it if you have powder!)
1 lb. ground beef
1 tablespoon Worcestershire
2 tablespoons vinegar
2 tablespoons chili sauce or ketchup
2 tablespoons brown sugar
1 teaspoon prepared mustard
1 15 oz. can tomato sauce
I bet you have most, if not all, of those ingredients in your pantry already.
If you wanna go the tried and true route, saute your onion in your shortening, add your (drained) browned beef and other ingredients. Simmer 15 minutes.
Lazy route? Just pour a "good bit" of onion powder on the beef while it's frying. Drain beef. Add other ingredients. Simmer 15 minutes. Eat 'til you're stuffed!
Yep. We're having these tonight!