Vegan Mac And Cheese

Name: Vegan Mac And Cheese
Ingredients: 8 ounce package elbow macaroni pasta (I like spelt.); 2 slices bread, torn into large pieces (whole grain works!); 6 Tablespoons unsalted butter (not vegan) or organic Earth Balance (vegan), divided; 2 Tablespoons chopped shallots; 1 cup (about 7 ounces) chopped Yukon gold potatoes (you can leave the peel on); ¼ cup chopped carrots (about 1 small carrot); 1/3 cup chopped onion; 1 cup water; ¼ cup raw cashews (soaked for 1-5 hours and drained if you your blender is weak); 2 teaspoons sea salt (use 1 ¾ teaspoons if using Earth Balance); ¼ teaspoon garlic, minced (about 1 medium clove); ¼ teaspoon Dijon mustard; 1 Tablespoon freshly squeezed lemon juice (optional); ¼ teaspoon black pepper; pinch of cayenne pepper