Preheat oven according to the garlic toast package instructions.
Meanwhile, crumble the ground beef into a medium skillet over medium-high heat. Season with salt and pepper. Stir and cook until done. Remove any excess fat.
Stir in the spaghetti sauce and Italian seasoning, to taste. Bring to a simmer then reduce the heat to medium-low. Simmer another 5-10 minutes until sauce has thickened, stirring often.
Bake the garlic toast per the package instructions.
Spoon meat mixture over bread slices and top with cheese. Return to the oven and turn on the broiler. Broil 1-2 minutes to melt the cheese.