This is the best recipe ever and makes the lightest, most aerodynamic Frisbees ever with the best texture as well as lift over drag ratio!
In one bowl mix:
1 cup plus 1 Tablespoon flour
1 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon salt
2 Tablespoons sugar
In small bowl mix
1 cup room temperature buttermilk or plain kefir (or use one cup milk or nut milk that you've replaced a Tablespoon of with lemon juice, then let sit five minutes).
Splash vanilla (about 1/8 to 1/4 teaspoon)
1 egg (at room temperature) or equivalent egg substitute.
Whisk wet ingredients together, and then SLOWLY stream in while whisking -
1/4 cup melted butter or melted vegan butter substitute