Ingredients

  • 6 ounces mushrooms any kind
  • 1 small onions sliced
  • 1 each sweet red bell peppers
  • 2 tablespoons olive oil
  • 1/2 teaspoon salt or to taste
  • 1/2 teaspoon thyme dried, or 2 teaspoons fresh
  • 1/4 teaspoon black pepper freshy grind
  • 1 1/2 pounds asparagus cut into 1-inch pieces
  • 3 cloves garlic minced, or more or less to taste
  • 1/2 cup parmesan, parmigiano-reggiano cheese, grated
  • 8 sheets phyllo (filo) pastry sheets
  • 13 cup butter melted

Method

  • Cut each mushroom into 4 slices.
  • Halve, core and seed red pepper, cut in half crosswise and slice.
  • In bowl, toss together mushrooms, red pepper, onion and half each of the oil, salt, thyme and pepper.
  • Roast on large rimmed baking sheet 425F (220C) oven for 10 minutes.
  • Meanwhile, toss asparagus and garlic with remaining oil, salt, thyme and pepper.
  • Add to baking sheet and roast until vegetables are tender, about 15 minutes.
  • Transfer to bowl, let cool.
  • Stir in cheese.
  • Place 1 sheet of the phyllo on work surface with 1 long edge closest, covering remainder with damp tea towel to prevent drying out.
  • Brush sheet lightly with some of the melted butter.
  • Repeat layering and brushing with butter with 3 more sheets.
  • Spoon half of the asparagus mixture in 2-inch (5 cm) wide strip about 1 inch (2 1/2 cm) from closest edge and leaving 2-inch (5 cm) border at each end.
  • Fold 1-inch (2 1/2 cm) border over filling, fold in ends and roll up.
  • Place, seam side down, on parchment paperlined rimmed baking sheet; brush with butter.
  • Repeat to make second strudel.
  • (Make-ahead: Cover and refrigerate for up to 24 hours.)
  • Bake in centre of 400F (200C) oven for about 25 minutes or until golden.
  • Using serrated knife, slice each strudel diagonally into 6 pieces.