INGREDIENTS
2 cups
uncooked quinoa
4 cups
vegetable broth
4 oz
asparagus, cut into 1-inch pieces
2 tbsp
unsalted butter, plus more for the baking dish
1
small onion, chopped
6 oz
button or cremini mushrooms, sliced
2 cloves
garlic, minced
1/2 tsp
kosher salt
1/2 tsp
red pepper flakes
1 cup
baby spinach leaves, chopped
1 pint
grape tomatoes, halved lengthwise
3 oz
shredded Gouda
1 oz
freshly grated Parmesan, divided