Crowd-Pleaser Zucchini Lasagna

CROWD PLEASER ZUCCHINI LASAGNA3 large fresh zucchiniKosher salt/black pepperOlive oil1 garlic clove, halved1 (9-oz.) box oven-ready lasagna noodles (will need about 12 noodles)1 (42-oz.) jar good quality marinara sauce1 c. ricotta cheese1 ½ c. grated Parmesan cheese8 oz. thinly sliced…