Broccoli Rabe And Shiitake Penne Pasta

Ingredients

• 1 bunch broccoli rabe (about 1 pound), stems and leaves cut into 1” pieces
• 8 ounce brown rice penne pasta
• 1 teaspoon extra-virgin olive oil, more for drizzling
• 2 shallots, diced (about 1/2 cup)
• 2 garlic cloves, minced
• 6 cup mixed mushrooms (about 8 ounces), de-stemmed and chopped (mix of cremini & shiitakes)
• 1 teaspoon balsamic vinegar
• 1/4 cup almond milk or heavy cream (almond milk, if vegan)
• 1/2 teaspoon dijon mustard
• 1 big squeeze of lemon
• 1/4 teaspoon red pepper flakes
• 1/3 cup shaved parmesan cheese, divided (optional, skip if vegan)
• 1/4 cup chopped walnuts, toasted
• 1/4 cup panko bread crumbs, toasted (optional, skip if gluten-free)
• sea salt and freshly ground black pepper, to taste