Tomatoes - Prep as directed. Transfer chopped tomatoes to a colander and place over a bowl. Sprinkle lightly with salt and toss gently. Let sit for ~15 minutes, which will drain out some liquid.
Red onions / Green beans - Prep as directed. (Can be done up to 3 days ahead)
Basil / Cucumbers - Prep as directed. These are both easy veggies for kids to help prep.
Tuna - Drain.
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