Smashed Chickpea Greek Salad Sandwich

Ingredients (13)

• 1 16 oz can chickpeas or garbanzo beans (I used Bush's Beans)
• 2 1/2 tablespoons plain Greek yogurt
• 1/3 cup feta cheese
• 1 tablespoon fresh lemon juice
• 2 tablespoons red wine vinegar
• 2 tablespoons diced red onion
• 1/4 cup diced kalamata olives
• 1/4 cup diced cucumber
• 1/4 teaspoon dried oregano
• Salt and pepper
• Whole wheat bread slices
• Spinach leaves
• Grape tomatoes or tomato slices