Place the burnt glassware into the kitchen sink.
Cover the burnt area with 1 quart of warm water and 3 tablespoons of baking soda.
Soak the glassware for 30 minutes to one hour, and then scrub it with a nonabrasive sponge.
Dip a nonabrasive sponge into white distilled vinegar.
Sprinkle baking soda over the damp sponge.
Scrub the glassware with the sponge to remove the burnt food.
Fill the glassware with water.
Add four to six effervescent antacid tablets to the water.
Allow the glassware to soak for one hour.
Scrub the loosened food with a nonabrasive sponge.
Spray oven cleaner over the burnt food residue, in a well-ventilated location.
Place the glassware into a garbage bag.
Close the garbage bag tightly. Let the glassware soak overnight.
Open the garbage bag in a well-ventilated location.
Wash the glassware with warm, soapy water.