Three-Lettuce Salad
["2 Tbsp. olive oil", "2 Tbsp. red wine vinegar", "1 to 2 cloves garlic, crushed", "1/2 tsp. salt", "3 Tbsp. brown sugar", "1/2 bunch romaine lettuce, torn", "1/2 bunch butter lettuce, torn", "1/2 bunch leaf lettuce, torn", "1 (11 oz.) can mandarin orange slices, drained", "1 c. seedless red grapes, halved", "1/3 c. chopped walnuts"]
["In a screw top jar, combine first 5 ingredients.", "Cover; shake until well blended.", "Chill until serving time."]
["olive oil", "red wine vinegar", "garlic", "salt", "brown sugar", "romaine lettuce", "butter", "leaf lettuce", "orange slices", "red grapes", "walnuts"]