For a meatless of this recipe, fresh portabella mushrooms make a great stand-in for the beef. Remove stems of mushrooms. Place mushrooms, stem sides up, in broiler pan. Brush with oil; sprinkle with garlic salt. Broil with tops about 6 inches from heat 4 to 5 minutes, turning once, until tender. Continue as directed.
Here’s a quick way to seed tomatoes: Cut tomato in half horizontally. Gently squeeze the halves to push out seeds. Use a spoon, if needed, to scoop out the remaining seeds.