Ingredient:

• 1 tablespoon olive oil
• 8 ounces lean ground beef (90% lean)
• 1/4 cup finely chopped onion
• 2 garlic cloves, minced
• 1 can (8 ounces) tomato sauce
• 1 teaspoon minced fresh rosemary or 1/4 teaspoon dried rosemary, crushed
• 2 whole wheat pita breads (6 inches), cut in half horizontally
• 1 medium tomato, seeded and chopped
• 1/2 cup fresh baby spinach, thinly sliced
• 12 Greek pitted olives, thinly sliced
• 1/2 cup shredded part-skim mozzarella cheese
• 1/4 cup crumbled feta cheese