Milk Chocolate Florentine Cookies

These Florentine cookies are nothing like the original chewy Italian version. This American adaptation spreads thin and bakes into crisp, lacy oat wafers, then sandwiches them around a layer of melted chocolate chips. The result is a stack of brittle, glassy cookies with a snap that shatters the moment you bite in.

The trick to lace cookies is the spread. Drop only a teaspoon per cookie and leave three full inches between them on the sheet. They flow out dramatically as the corn syrup and sugar melt, and crowded cookies become one giant pancake.

Line the sheets with foil, not parchment or silicone. The recipe is right about this: the cookies need to be peeled off after cooling, and foil releases cleanly where parchment can snag and tear the delicate wafers.

Melt the chocolate over barely simmering water (not boiling) and stir constantly. Overheated chocolate seizes into a stiff mass that won’t spread. Aim for just-melted and warm to the touch, no hotter.

Work quickly when sandwiching. The chocolate firms fast once spread, and you want a thin even layer between cookies, not a glob.

Pro Tips

• Use real butter, not margarine. The flavor difference in a four-ingredient cookie is dramatic.
• Quick oats (not rolled) are key for the proper lacy structure. Rolled oats stay chunky and won’t melt into the lace.
• Watch the bake time obsessively. Five to seven minutes is the entire window between underdone and burned.
• Sandwiched cookies keep up to a week in a tin between layers of waxed paper. Unsandwiched wafers stay crisp for two weeks.

Variations

• Use dark chocolate instead of milk for a more grown-up bite.
• Drizzle the tops with melted white chocolate after sandwiching for a tuxedo look.
• Sprinkle finely chopped toasted almonds on the wet chocolate before pressing the top cookie on.