Strozzapreti with Spinach and Preserved Lemon

This bright, vegetarian sauce features lemon three ways: juice, zest, and preserved lemon peel. Step 1 Heat oil and 2 Tbsp. butter in a large skillet over medium heat until butter is foaming. Add garlic and ¼ tsp. red pepper flakes; cook, stirring often, until fragrant, about 1 minute. Add panko and …