Preheat oven to 375 degrees Fahrenheit. Line a large baking sheet with Gefen Easy Baking Parchment Paper.

Mix sauce ingredients until smooth. Add an extra tablespoon or two of hot water for a thinner sauce.

Layer lo mein, mushrooms, sauce, remaining cooked vegetables, another drizzle of sauce, bok choy, and cashews.

In a medium-sized bowl, toss mushrooms with olive oil, salt, and pepper and place on half of the baking sheet. In the same bowl, toss remaining vegetables with olive oil, salt, and pepper and place on second half of baking sheet. Roast for 20 minutes.