Here are some planning resources from the US Government
STEP 1 - Click here to Determine Your Daily Caloric Needs To take off one pound per week, you'll need to reduce calories by 500 per day. (One pound of body fat equals about 3,500 calories.) Try eating 250 calories less per day and exercising enough to burn 250 calories— like walking about 2.5 miles each day. The easiest way to cut back on calories is to watch your portion sizes.
STEP 2 - Click here to see a sample menu that provides 2000 calories a day . It gives one example of how all of the recommendations for food group and nutrient intake can be integrated into a weekly menu.