Lasagna - With legumes

1 cup frozen corn 1 large zucchini , sliced into 1/4 inch rounds 1 teaspoon olive oil 1/8 teaspoon salt 1/8 teaspoon pepper 1 cup canned black beans , drained[...]

1 lb lean ground beef , cooked,rinsed and drained 2 (27 ounce) cans chunky style spaghetti sauce 1 (54 fluid ounce) can water 1 teaspoon beef bouillon[...]