Lemony Chickpea Cake - Half Cup Habit

Ingredients

• 1 15 oz can chickpeas (rinsed and drained; or 2 cups cooked)
• 4 tbsp lemon juice
• 1⁄4 cup vegetable oil
• 2 tsp lemon zest (grated)
• 2 eggs (yolks)
• 2⁄3 cup flour (all-purpose)
• 1 cup sugar
• 2 tsp baking powder
• 1⁄2 tsp salt
• 2 eggs (only whites)
• 1⁄8 tsp cream of tartar
• 2 tbsp lemon juice (freshly squeezed)
• powdered sugar