you will need:
7 slices of bacon
1/2 medium white onion, chopped
32 ounces french style green beans (or other green beans)
2 T vinegar
2 T sugar
salt and pepper to taste

preparation:
cut your bacon into 1 inch pieces
cook bacons and onions over medium heat until browned
remove bacon and onions and set aside

cook:
add beans to bacon grease and cook over medium heat until tender
add vinegar and sugar, stir
add bacon and onions back in
simmer until heated through
add salt and pepper to taste