Beef with chicken

1 lb ground beef , browned 1 onion , chopped 1 large baking potato , diced 3 ribs of celery , chopped 3 cloves garlic , minced 1 tomato , diced 1 jalapeno ,[...]

2 TBSP vegetable oil , divided Didn't use this 1 lb lean ground beef I used about a pound and a half 2 onions finely chopped I used much less 4 stalks celery[...]