Slow Cooker Lasagna

Name: Slow Cooker Lasagna
Ingredients: 1 pound lasagna noodles; 10 ounces eggplant, about 1 small, quartered lengthwise and sliced on mandoline; 10 ounces zucchini, about 1 small, sliced lengthwise on mandoline; 1 pound hot and mild grass-fed beef sausage links; 2 tablespoons kosher salt; 1 (14 1/2-ounce) can whole, peeled tomatoes; 2 teaspoons Italian seasoning , divided; 1/2 ounce all-purpose flour; 1/2 ounce goat's milk powder; 2 large portobello mushroom caps, sliced; 1/2 pound ground pork; 4 ounces part-skim mozzarella, grated