I got this list of tips from Bankrate. Bankrate has some really good savings information on their site and I go there frequently.
Trim your food bill by as much as 19 percent simply by shopping at a couple of different stores.
Don’t “crisis cook.” Shopping after work for the day’s dinner gets expensive. Plan a weekly menu before shopping and watch your grocery bill shrink.
Don’t waste money on prepared foods. Instead, prepare meals ahead of time and freeze them, or double a recipe when cooking, and freeze the second for a …

Serving Size: 1/4 of recipe
Yield: 4 servings 

Ingredients:
2 cups diced cucumber
1 cup seeded and diced tomato
1/4 cup chopped sweet onion

Serving Size: 1 Pepper
Yield: 4 servings
Time: 50 minutes 

Ingredients:
4 large washed green peppers
1 pound turkey, ground
1 cup rice, uncooked

Serving Size: 2 meat cakes
Yield: 6 servings
Time: 25 minutes

Ingredients:
1 pound ground beef, or turkey, 7% fat (93% lean)
2 bunches spinach – washed and cut into pieces (may substitute a 1-pound bag of frozen chopped spinach,

Serving Size: 1/3 of recipe
Yield: 3 servings

Ingredients:
2 teaspoons vegetable oil
1/2 cup chopped onion
1/2 cup chopped carrot