The Best Waffles

Ingredients (10)

• + 7 ounces unsalted butter, at room temperature add to pantry
• + 6 tablespoons white sugar add to pantry
• + 2 teaspoons vanilla sugar add to pantry
• + 1 pinch salt add to pantry
• ✓ 6 eggs
• + 2 ½ cups all-purpose flour add to pantry
• ✓ 2 teaspoons baking powder
• + ⅞ cup heavy whipping cream add to pantry
• + 1 (1.5 fluid ounce) jigger sparkling water, or as needed add to pantry
• ✓ cooking spray