Make sure eggs and milk are at room temperature for even mixing. Do not overmix the batter to avoid density. Check that your gluten free flour blend contains xanthan gum, or add 1 teaspoon if needed. Avoid opening the oven during the first 25 minutes of baking. Store tightly wrapped to maintain moisture. For chocolate variation, replace 1/2 cup flour with 1/2 cup cocoa powder and add 2 tablespoons extra milk.