When we need a simple, satisfying weeknight meal, a frittata is often our go-to. This version with spinach, mushrooms, and bacon was last featured in 2019.
Heat a 10.5” to 12” (26 cm to 30 cm) skillet over medium-high heat. Add bacon and saute until crisp, 6 to 7 minutes. Transfer bacon to a paper-towel lined plate.
Drain off all but 1 Tbsp / 15 mL of bacon grease from the pan. Return pan to heat. Add mushrooms and saute until mushrooms are tender and brown, 4 to 5 minutes.
Add spinach and saute until spinach is wilted, ~3 minutes more.
Pour in eggs and stir until ingredients are all mixed through. Sprinkle bacon over top of frittata.
Transfer frittata to the oven. Bake for 18 to 22 minutes until eggs are set and inserted knife comes out cleanly.
While frittata cooks, whisk together mustard, honey, and vinegar. Add oil while whisking. Toss with arugula just before serving.
Slice frittata and serve with salad on the side. Enjoy!