"Create a single recipe for flavored salts with 5 variations using dehydrated vegetable and herb powders. The base salt options are Diamond Crystal kosher salt and salt flakes. Variations include: 1) Garden Herb Salt with spinach, broccoli, and onion powders; 2) Umami Mushroom Salt with mushroom, onion, and pea powders; 3) Sweet Earth Salt with carrot, pea, and onion powders; 4) Savory Tomato Herb Salt with tomato, onion, and spinach powders; 5) Green Boost Salt with broccoli, spinach, and pea powders. Include mixing instructions, storage tips, and suggested uses for each variation. Use metric units."