Search
by Ingredient

Market Mystery Cookies

StarStarStarHalf starEmpty star

Submitted by mcracin94

Market mystery cookies with just five ingredients: butter, dark brown sugar, oats, egg, and vanilla. Cooked in a double boiler, then baked into tiny, crisp, toffee-like wafers.

The “mystery” in these cookies is the technique. The dough gets cooked for a full hour in a double boiler before it ever sees the oven. Butter, dark brown sugar, oats, and egg simmer gently together until the mixture transforms into something that bakes into thin, crisp, toffee-flavored wafers.

No flour. No leavening. Just five ingredients. The hour of stovetop cooking caramelizes the brown sugar and partially cooks the oats, giving the finished cookies a deep, butterscotch-like flavor and a shatteringly crisp texture that a standard drop cookie can’t replicate.

After cooking, the dough rests at room temperature for an hour to firm up. It’s very runny when hot. Drop tiny amounts (quarter teaspoons, not tablespoons) onto foil-lined sheets and bake for just seven minutes. They spread into delicate, lacy wafers that peel off the foil once cooled to lukewarm.

Chef Tips

  • Use a double boiler, not direct heat. Direct heat scorches the brown sugar and burns the butter. The gentle, indirect heat is what creates the toffee-like caramelization.
  • Drop the dough in very small amounts. These spread dramatically. Quarter-teaspoon drops, half an inch apart.
  • Line sheets with foil, not parchment. The cookies stick to parchment but peel cleanly from foil.
  • Let them cool to lukewarm, not fully cold, before peeling. Cold cookies shatter; warm ones are too soft.

Variations

  • Add a pinch of sea salt on top of each cookie before baking for a salted toffee flavor.
  • Drizzle cooled cookies with melted dark chocolate for a more dressed-up finish.
  • Fold two warm cookies around a dowel to shape them into tuile-style rolls.

Ingredients

½ 118
CUP ML BUTTER
1 237
CUP ML BROWN SUGAR
dark, packed *
1 ¼ 296
CUPS ML ROLLED OAT
old fashioned
2 30
TABLESPOONS ML ROLLED OAT
old fashioned
1 1
LARGE LARGE EGG
lightly beaten
1 5
TEASPOON ML VANILLA EXTRACT

Directions

Melt butter in top of double boiler over simmmering water.

Stir in sugar until lump-free and smooth, stir in oatmeal, then egg.

Cook dough uncovered, 1 hour over bareluy simmering water, stirring occasionally.

Remove top of double boiler from heat, add vanilla and let dough stand at room temperature 1 hour, to firm.

( dough is quite runny when hot. ) Preheat oven to 350℉ (180℃) . Cover cookie sheets with foil, set aside.

drop dough by level ¼ teaspoonful, ½ inch apart.

Bake 7 minutes or until well-browned.

Cool to lukewarm, when cookies will peel away from foil.

Store in tightly covered container, with padlock, if desired.

* not incl. in nutrient facts Arrow up button

Comments


 

 

Nutrition Facts

Serving Size 96g (3.4 oz)
Amount per Serving
Calories 432 58% from fat
 % Daily Value *
Total Fat 28g 43%
Saturated Fat 16g 78%
Trans Fat 0g
Cholesterol 114mg 38%
Sodium 182mg 8%
Total Carbohydrate 12g 12%
Dietary Fiber 6g 23%
Sugars g
Protein 22g
Vitamin A 15% Vitamin C 0%
Calcium 4% Iron 15%
* based on a 2,000 calorie diet How is this calculated?
Trans-fat Free, High Fiber, Sugar-Free
 

Email this recipe