Preheat the oven to 325 degrees F (165 degrees C). Grease a deep 9x13-inch baking pan.
2
Slice zucchini lengthwise into very thin slices. Sprinkle slices lightly with salt; set aside to drain in a colander.
3
To prepare the meat sauce, cook ground beef and black pepper in a large skillet over medium-high heat, stirring, for 5 minutes. Add green pepper and onion; cook and stir until meat is no longer pink.
