Preheat oven to 400°F

Add ground beef, onions, and seasonings to a pan; cook until browned.

Drain beef mixture; return to pan and add the sloppy Joe sauce.

Mix together the Bisquick mix, milk, and eggs.

Transfer the beef mixture to a casserole dish; cover the mixture with the Bisquick.

Place in oven and bake for 30 minutes or until golden brown on top.