Preheat the oven to 350 degrees F for the casserole. Start by preparing the zucchini; slice one zucchini and shred the other, squeezing out any excess moisture for the tots.
In a skillet, heat olive oil over medium heat and sauté the diced onion and minced garlic until fragrant. Add in the lean ground turkey and cook until browned. Stir in the homemade tomato sauce and season with salt and pepper to taste.
For the casserole, layer the bottom of a baking dish with sliced sweet potatoes, followed by the ground turkey mixture, and top it all with shredded mozzarella cheese. Bake in the preheated oven for 20-25 minutes until the cheese is bubbly and golden.
For sweet potato tots, microwave one large sweet potato until tender, then mash it and combine it with the shredded zucchini. Shape into small tots and bake at 400 degrees F for 15-18 minutes until golden brown and crispy.
For the home fries, preheat the oven to 375 degrees F. Cube the remaining sweet potatoes and the second zucchini, toss them with olive oil, salt, and pepper, and spread them evenly on a baking sheet. Bake for approximately 45 minutes, stirring occasionally for even cooking.