Mix together all ingredients until just blended and store indefinitely in a moisture-proof, airtight container at room temperature.
To Use:
Mix 1 1/2 cup mix
1 egg
1 cup milk
1/4 cup oil until well blended. Pour into well greased 8x8-inch dish or 12 count muffin tin. Bake 20 to 24 minutes at 425 degrees. Serve warm or freeze until needed.