Different kinds of beans cook at different rates, so it's best to prepare them in separate pans (working in batches if necessary). The salad can be made with just a few types instead of all five, as long as the total amount of dried beans still measures 2 1/2 cups.
Dial back on grains, and scale up on lean protein and fresh produce. Too often, popular "rice bowls" lean heavily on carbs -- as much as 1 cup of rice in a serving. But just a few tweaks help these dishes strike a better balance.