Wet batter
- 1 cup all-purpose flour
- 1 cup unsweetened oat milk
- 1 tablespoon apple cider vinegar
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- 1 teaspoon Italian seasoning
- 1 teaspoon smoked paprika
- Salt and pepper
The vinegar curdles the oat milk slightly, which thickens the batter so it clings to the mushroom.