How to Make It
Melt 1 Tbsp. butter with 1 Tbsp. oil in a large skillet over medium-high heat; add sliced mushrooms and next 3 ingredients. Saute 3 to 5 minutes or until tender; gradually add spinach, stirring to coat with mushroom mixture. Remove from heat, and toss spinach mixture with 2 Tbsp. lemon juice.