Preheat oven to 400° F (204.4° C).
In a medium bowl, combine flour, baking powder, onion powder, salt, nutritional yeast, and water. Whisk until smooth. Fold in chopped veggies. Pour into paper-lined muffin pan, ramekins, or oiled loaf pan.
Sprinkle with paprika, black pepper, and/or top with 1 tablespoon vegan cheese sauce (link provided in the directions). Bake 20 to 30 minutes. until slightly puffed up and lightly browned.
Serve warm. Great for lunches, snacks, on the go. Enjoy multiple variations!