German Sauerbraten(Slow Cooker)  
["2 lb. stew beef, brown and add rest of ingredients", "2 Tbsp. oil", "2 onions, sliced", "2 tsp. salt", "2 c. vinegar or little less", "1 c. boiling water", "12 crumbled gingersnaps"]
["Wrap 2 bay leaves, 2 whole cloves, 1 teaspoon mixed pickling spices in cheesecloth.", "Add to sauerbraten.", "Cook 8 to 10 hours on low.", "Last hour on high.", "Add 3 tablespoons flour and 1/2 cup cold water."]
["stew beef", "oil", "onions", "salt", "vinegar", "boiling water"]