Portobello Mushroom Towers - Kosher.com

Ingredients

• 2 Portobello mushroom caps
• 1/4 cup Kedem Red Wine Vinegar
• 1/2 teaspoon garlic powder
• 1/2 teaspoon dried basil
• 1/2 teaspoon salt
• 1 red pepper
• 1 onion, 1/2 sliced and 1/2 diced
• 8 ounces frozen spinach, thawed, drained
• 1 teaspoon salt
• 2 (1-ounce) slices Muenster or mozzarella cheese