Turnips With Spicy Meyer Lemon Dressing

Name: Turnips With Spicy Meyer Lemon Dressing
Ingredients: 2 cups bonito flakes; ½ cup sugar; ½ cup usukuchi (light) soy sauce; ¼ cup mirin (sweet Japanese rice wine); 1 Tbsp. ichimi togarashi; Zest and juice of 4 Meyer lemons or regular lemons (about ½ cup juice); 2 bunches hakurei turnips with tops; 2 Tbsp. vegetable oil; Kosher salt; Toasted sesame seeds (for serving); Ichimi togarashi, a red-pepper-forward seasoning mix, can be found at Japanese markets, in the Asian foods section of some supermarkets, and online.