Stir-Fried Asparagus with Red Bell Pepper

Omit soy sauce, sherry, brown sugar, ginger, and sesame oil. Reduce water to 1 tablespoon. Whisk 1 tablespoon orange juice, 1 tablespoon rice vinegar, 1 tablespoon granulated sugar, 1 teaspoon ketchup, and ½ teaspoon salt into water. Substitute 1 stemmed and seeded red bell pepper cut into 2-inch-long matchsticks for shiitakes.

Stir-Fried Asparagus with Red Onion

Omit soy sauce, sherry, ginger, and sesame oil. Whisk 4 teaspoons fish sauce, 1 tablespoon lime juice, 2 teaspoons minced fresh lemon grass, and ⅛ teaspoon red pepper flakes into water, along with sugar. Substitute ½ red onion sliced through root end into ¼-inch-thick pieces for shiitakes and 2 tablespoons chopped fresh mint for scallion greens.