Preheat oven to 375.
Heat olive oil in a large saucepan over medium heat.
Add the garlic and cook for 2 minutes.
Add the zucchini to the pan. Season with salt and pepper, and let the zucchini cook for around 7 minutes, or until tender.
Spread zucchini in an 8x11 baking pan. Pour marinara sauce over top, then add the shredded cheese. Top the dish off with the bread crumbs.
Cook until cheese is bubbly and dish begins to brown, around 20 minutes.