Step 1

Divide ribs into 4 batches; flour 1/4 of the ribs thoroughly

Step 2

Heat 1 tablespoon of butter and 1 tablespoon of oil in heavy saucepan, medium to medium high heat; brown ribs on each side, about 2-3 minutes per side

Step 3

Set aside on paper towel, as each batch is done; repeat 4 times until all ribs are golden

Step 4

Place ribs in casserole dish; set aside

Step 5

Pre-heat oven to 350F

Step 6

Drain fat from pan, retaining all brown bits; mix corn starch with the sugar and stir into brown bits

Step 7

Add water and vinegar; season with salt and pepper

Step 8

Cook for 4-6 minutes until bubbly and thick; pour over ribs in casserole dish, tossing until completely covered

Step 9

Bake for 30-40 minutes until hot and bubbly, serve immediately