Dehydrator Potato Soup

Ingredients

• 2 cups dried potatoes, slices
• 3 chicken bouillon cubes
• 5 cups water, plus 2 cups cold water
• 1/4 cup dried tomatoes, pieces
• 2 tablespoons shredded dried carrots
• 2 tablespoons dried green beans (1-inch pieces)
• 1 tablespoon dried bell pepper, pieces
• 1 tablespoon dried mushroom pieces
• 1 tablespoon dried onion, pieces
• 1/4 teaspoon dried basil
• 1/4 teaspoon dried oregano
• 1/4 teaspoon chopped garlic
• 1/4 teaspoon dried mustard
• 1/4 teaspoon dried celery powder
• 1/4 teaspoon celery seed
• 2 cups cold water
• 1/2 cup instant milk
• 1 cup dried potato flakes (store-bought or homemade, see note below)
• freshly grated parmesan cheese