Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
  5                     zucchini
  1           teaspoon  unsalted butter
  2          teaspoons  flour
     1/4           cup  milk
  1                     egg yolk
  2          teaspoons  cheddar cheese
     1/4      teaspoon  dijon mustard
     1/4      teaspoon  salt
     1/4      teaspoon  pepper
  2                     egg white

Preparation:

flute zucchini with a zester or peeler, cutoff ends cut each zucchini into 3/4-inch thick slices using a melon baller, scoop out the top half of each slice steam zucchini until almost tender drain and cool line a baking sheet with parchment paper place zucchini cups upright onto baking sheet heat butter in a small skillet whisk in flour to make a blonde roux whisk in milk, heat and stir until thickened remove from heat whisk in egg yolk, cheddar, mustard, salt, and pepper fold stiff whites into yolk mixture spoon into zucchini cups, filling to the top place baking sheet onto top rack of oven bake @ 425 degrees for 5-8 minutes, until puffed and golden serve immediately

Nutritional Information:

17 Calories (kcal); 1g Total Fat; (33% calories from fat); 1g Protein; 2g Carbohydrate; 12mg Cholesterol; 38mg Sodium