DIJON HAM SALAD SANDWICHES 1 1/2 cups diced baked ham 1 1/2 cup sliced celery 2 green onions, sliced with tops 3 tablespoons mayonnaise 1 tablespoon Dijon-style mustard 1 1/2 teaspoon dried savory or 1/4 teaspoon dried dillweed Fresh baby spinach leaves, frilly leaf lettuce 1 tomato, thinly sliced (yellow, if available) 4 croissants, split Yield: 4 servings Combine finely diced baked ham, celery, green onions, mayo, mustard and herb. Toss well to coat ham. Layer spinach and lettuce leaves on bottom halves of croissants. Top with ham salad, tomato and top halves of croissants. Anchor sandwiches for traveling by pushing in two picks for each one. Top picks with stuffed olives.