1. Combine ingredients for your selected filling.
2. Spread two tablespoons filling onto each fillet. Roll up, place seam side down onto flat baking sheet. (To secure, use toothpicks.)
3. Brush tops with oil and sprinkle with salt. Bake at for 30–40 minutes. Serve hot with mushroom sauce (recipe follows).
4. Preheat oven to 350 degrees Fahrenheit.