Info from Today.com
Oven cleaner (not for self-cleaning ovens)
Scrub bottom and sides of oven using baking soda and steel wool.
1 cup baking soda
2 cups white vinegar
Pour vinegar into a spray bottle. Sprinkle baking soda onto bottom of oven. Spray with vinegar to make a light foam. Keep baking soda moist by spraying vinegar as needed. For sides of oven, mix baking soda with water to make a thick paste. Spread this on sides then spray with vinegar. Allow it to sit for as long as you can. Wipe off and rinse with hot water.
Pots and pans
To remove burnt-on food, sprinkle baking soda over the burnt area, add hot water and let sit overnight. In the morning, scrub with an abrasive sponge or Teflon scrubbing cloth.
Shower walls, doors and curtains
To prevent mildew from forming, spray walls, curtains and shower doors with white vinegar after showering.
Sinks and bath tubs
Simply spray with white vinegar and wipe!