An example of a meal or snack that contains complementary proteins is:

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Complementary proteins are a combination of at least two different kinds of vegetable proteins, that is, at least two of the following groups: grains, legumes, seeds, and nuts. The peanut butter sandwich contains nuts and grains. Trail mix contains only nuts (raisins are low in protein). Mixed bean salad contains only legumes, and an omelet is made of complete animal proteins.

An Example of a Meal or Snack That Contains Complementary