Spicy Bean Tostadas

INGREDIENTS

• 6 (6-inch) flour tortillas
• 1/3 cup 1% low-fat cottage cheese
• 1/4 teaspoon salt
• 2 tablespoons lemon juice
• 1 (15-ounce) can chickpeas (garbanzo beans), drained
• Vegetable cooking spray
• 1/4 cup minced onion
• 1 garlic clove, minced
• 1/4 cup chopped fresh parsley
• 1 tablespoon sesame seeds, toasted
• 2 cups thinly sliced cucumber
• 3 cups shredded fresh spinach
• 3 cups chopped tomato
• 6 tablespoons low-fat sour cream
• 1 tablespoon finely chopped green onions