MARINATED Mustard Seed: Bring vinegar and agave syrup to boil in small saucepan. Remove from heat; pour over mustard seed in a bowl. Let marinate 24 hours. Drain before using.
PROSCIUTTO Rolls: Stack turkey and prosciutto slices, then roll up to create a pinwheel roll. Slice into 3/4-oz. pieces, about 1-1/2 inches long.
FOR each salad: Gently toss 5 oz. lettuce blend, 1/4 cup frisee, 3 tomato wedges, 1/4 cup cucumbers and 1/2 oz. cheese. Arrange on serving plate. Garnish with 2 egg halves, 4 Prosciutto Rolls, 1 Tbsp. Marinated Mustard Seed and 1 crouton slice. Serve with 1 oz. dressing on the side.