Spinach-Mushroom Mac and Cheese with Beer

Description

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Ingredients

1⁄2 lb
orecchiette, elbow macaroni or equivalent-sized shells
1 tbsp
olive oil
1 cup
milk
1 tbsp
butter, unsalted
1⁄2 lb
mushrooms, wiped clean, stemmed as necessary, and cut into 1/2-inch dice
1 tsp
salt (divided), or more to taste
1 tsp
garlic, minced or crushed
1 tsp
prepared Dijon or plain yellow mustard
2 tbsp
unbleached all-purpose flour
1 cup
room-temperature beer (your choice)
1 lb
fresh spinach, stemmed as necessary and chopped (4 packed cups)
1 1⁄2 cup
grated sharp white cheddar (6 ounces)
3⁄4 cup
fresh whole-wheat bread crumbs
1⁄2 cup
minced walnuts (optional)

Notes

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Instructions

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Image: 
Plate of Spinach-Mushroom Mac and Cheese