Grape, Almond, and Olive Oil Cake

INGREDIENTS

• 2 cups seedless red grapes (cut in half lengthwise)
• 1 cup Greek yogurt (nonfat is fine)
• 1 1/4 cup all-purpose flour
• 1/4 teaspoon salt
• 3/4 cups ground almonds (also called almond meal)
• 1 lemon (zest and juice)
• olive oil spray
• 3 eggs
• 2 teaspoons baking powder
• 1/2 cup olive oil
• 1/2 cup sugar