Asian Steamed Buns with Kale and Bok Choy

INGREDIENTS

• For Dough:
• 1/2 cup warm water
• 1 tablespoon honey
• 2 1/4 teaspoons active dry yeast
• 3 1/2 cups all-purpose flour
• 1/2 teaspoon salt
• 1 cup plain almond milk or soy milk, at room temperature
• For Filling:
• 1/2 pound trimmed kale or mustard greens
• 1/4 cup extra-virgin olive oil
• 10 ounces shiitake mushrooms, stems discarded and caps thinly sliced
• 6 garlic cloves, minced
• 2 large shallots, minced
• 1/2 pound bok choy, cut into 1/2-inch pieces
• 1/2 cup chopped basil
• 2 tablespoons soy sauce
• 2 tablespoons sweet chile sauce
• Salt and freshly ground pepper
• Sriracha sauce, for serving (optional)