Lemon Greek Yogurt Waffles

Name: Lemon Greek Yogurt Waffles
Ingredients: 1 ⅓ cups milk; 1/4 cup lemon juice; 2 cups whole wheat pastry flour; 1 tablespoon baking powder; ¼ teaspoon sea salt; zest of 2 large lemons; 2 large eggs; 1/2 cup Greek yogurt; 2 tablespoons light olive oil; 4 tablespoons unsalted butter (at room temperature); 1 tablespoon finely grated lemon zest; 1 tablespoon lemon juice; 1 tsp maple syrup (note if using syrup on waffles to use less or more to taste); 4 tablespoons unsalted butter; ¼ cup granulated sugar; ¼ cup coconut milk; Zest of 1-2 lemons; ¼ cup freshly squeezed lemon juice