1 Prepare matzo ball mix according to package directions. While the mixture is sitting in the fridge, prepare your veggies. 2 Cut 1/2 a red onion into small dice or even minced. Dice the peppers and tomato and mix with onion. Add salt and pepper. 3 Wet your hands. Take a small, walnut size, portion of the prepared matzah ball mixture and place it in your hand. Gently flatten the portion and sprinkle some of the veggies into it. Remember to keep the vegetables as centered as possible 4 Roll mixture around it self and into a ball. Repeat the process until you have used all of the mixture. 5 Bring a pot of water to a boil, add seasoning mixture, then place matzo balls into the pot and reduce heat to a simmer. let cook for about 20 minutes. Add to soup or save for another day.