Preparation

• Heat oven to 225ºF.
• Place zucchini in colander; sprinkle with salt. Let stand 20 min. to drain. Use hands to squeeze as much liquid as possible from zucchini; place zucchini on double thickness of paper towels to drain. Mix eggs, onions, Parmesan and pepper in medium bowl. Stir in zucchini and cracker crumbs.
• Heat 2 tsp. oil in large nonstick skillet on medium heat. To make 4 pancakes, spoon zucchini mixture into skillet, using about 3 Tbsp. zucchini mixture for each pancake; flatten each with back of spatula to make 3-inch round. Cook 3 min. on each side or until golden brown on both sides. Transfer to ovenproof platter; place in oven to keep warm. Repeat with remaining oil and zucchini mixture.
• Serve topped with sour cream.