Here are some everyday items that can help you size up servings:

• A light bulb = 1 serving (1⁄2 cup) of vegetables
• A computer mouse = a medium potato
• A bar of soap = 3 ounces of meat (the recommended portion for a meal)
• An eyeglass case = 3 ounces of fish (the recommended portion)
• Two dice = 2 teaspoons of butter or margarine
• Two dominoes = 1 ounce of cheese
• A ping-pong ball = 2 tablespoons of peanut butter or salad dressing
• A tennis ball = 1⁄2 cup of rice … or ice cream
• A baseball (not a softball) = 1 cup pasta