Spinach & onion sauté

Butter, unsalted	4 tablespoons
Onion, halved, thinly sliced	1
Garlic, minced	2 cloves
Spinach, fresh	9 ounces
Salt	¾ teaspoon
Pepper, freshly ground	½ teaspoon
Lemon juice	1

1. In a medium saucepan, melt butter; add onions and garlic, and cook until softened, about 3 to 5 minutes.
2. Add spinach, and toss until wilted, about 1 minute.
3. Sprinkle with salt, pepper, and juice.