Quick & Healthy Guiltless Potato Lasagna

Name: Quick & Healthy Guiltless Potato Lasagna
Prep time: 20 min
Cook time: 35 min
Total time: 55 min
Cuisine: European, Italian, Mediterranean
Ingredients: 2 Tablespoons Olive oil; 2 Cloves Garlic (minced); ½ Teaspoon Salt; ½ Teaspoon Pepper; 5 Large Alsum gold potatoes (sliced ¼ inch thick (may use Alsum russet potatoes as a substitute)); 1 Pound Lean ground beef; Dash Italian seasoning; Garlic salt and pepper (to taste); 26 Ounce Jar spaghetti sauce (any flavor); 15 Ounce Container ricotta cheese; 10 Ounce Package frozen chopped spinach (thawed and drained well); 2 Tablespoons Parmesan cheese, grated; 1 Large Onion (chopped); 2 Cups Shredded mozzarella cheese