If you've never made an “overnight cookie” before, get ready — these are the kind of cookies that feel almost too easy to be real. These old-fashioned Forgotten Sweets are whipped egg-white meringue cookies loaded with dates, chocolate, coconut, and pecans. You put them into a hot oven, turn the oven off, close the door… and literally forget about them until morning. They dry out in the leftover heat and turn into crisp-outside, chewy-inside little vintage treats.
These are one of those recipes that always lived on stained index cards in a family tin. The instructions were usually something like: “Beat whites. Add stuff. Turn oven off. Leave overnight.” But the method actually works beautifully — and once you try them, you'll understand why people kept making them decade after decade.
Why You'll Love These Cookies
• Zero active baking time — the oven does all the work overnight
• Naturally flourless and easy to keep gluten-free
• Great recipe for beginners who want something impressive but simple
• Perfect way to use up leftover egg whites
• Crispy, chewy, candy-like texture that feels nostalgic
What You'll Need
Egg whites — the base of the meringue
Granulated sugar — helps the whites whip and gives structure
Chopped dates — caramel-chewy pockets
Chocolate chips — melt slightly into the cookies
Shredded coconut — adds sweetness and texture
Chopped pecans — for crunch
Electric mixer — hand mixer is perfect
Aluminum foil — traditional for these; helps release cleanly
Baking sheet — one tray fits the whole batch
Step-by-Step Instructions
Step 1: Prep Your Pan
Preheat your oven to 350°F (or 325°F convection). Line a baking sheet with aluminum foil, shiny side up. No greasing needed.
💡 Foil works better than parchment here. It reflects heat and helps the bottoms dry so they release cleanly after the overnight rest.
Step 2: Whip the Egg Whites
Add the egg whites to a clean, completely dry mixing bowl. Begin beating on medium-high until soft peaks form. Then gradually add the sugar — a spoonful at a time — while beating continuously. Keep going until the mixture is thick, glossy, and holds stiff peaks.
💡 Any grease or a speck of yolk will stop the whites from whipping. Use glass or metal bowls and wipe the bowl clean if needed.
💡 Adding the sugar slowly helps the meringue stabilize instead of collapsing.
Step 3: Fold in the Mix-Ins
Switch to a rubber spatula. Scatter the dates, chocolate chips, coconut, and pecans over the meringue. Gently fold everything together, scooping around the bowl and lifting through the center.
💡 Be gentle. You want to keep the air inside the whipped whites — that's what gives the cookies their light, almost candy-like texture.
Step 4: Portion the Cookies
Use a teaspoon or small cookie scoop to place mounds of the mixture onto the foil-lined baking sheet. Space them slightly apart.
💡 These don't spread much, so you can fit a lot on one pan.
Step 5: “Bake” and Forget About Them
Place the tray into the hot oven. Immediately turn the oven OFF. Do not open the door again. The cookies will bake in the residual heat and dry out slowly overnight.
💡 Seriously — don't peek. Opening the door dumps the heat and disrupts the drying process.
Step 6: Check in the Morning
In the morning, open the oven and check the cookies. They should feel crisp on the outside but still have a little chew in the center. Peel them gently off the foil.
💡 If any cookies feel soft or sticky, leave them in the turned-off oven for an extra hour or two to finish drying.
Tips for Success
• Make sure your bowl and beaters are spotless — grease destroys meringue.
• Add sugar slowly to build a stable structure.
• Don't skip the overnight step — it's essential for the texture.
• Avoid making these on a very humid day; moisture softens meringue.
• Dates can be sticky, so chop them small so they fold in evenly.
Notes & Variations
• Gluten-free as long as your chocolate and coconut are GF.
• Swap pecans for walnuts or almonds.
• Leave out the chocolate chips for a more “vintage church cookbook” version.
• Add a pinch of cinnamon or ginger for warmth.
• Chopped dried cranberries instead of dates = a tarter variation.
Storage
Store in an airtight container at room temperature for 3–4 days. Keep them away from humidity or they'll soften.
FAQ
1. Why are they called “Forgotten Cookies”?
Because you stick them in a preheated oven, turn it off, close the door, and forget them until morning.
2. Do I have to use aluminum foil?
It's tradition, and it works incredibly well. Foil helps the bottoms dry out cleanly. Parchment can trap moisture and lead to sticking.
3. Can I make these without nuts?
Yes — just leave them out. No other changes needed.
4. My cookies feel sticky — what happened?
Humidity or under-drying. Just leave them in the turned-off oven for longer.
5. Can I double the recipe?
Yes, but use two trays and rotate positions before turning the oven off.
Grandma's Forgotten Sweets
Ingredients
- 2 egg whites beaten stiff
- ⅔ cup granulated sugar
- ½ cup chopped dates
- ½ cup semi-sweet chocolate chips
- ½ cup shredded coconut
- ¼ cup chopped pecans
Equipment
Method
- Preheat oven to 350°F (or 325°F convection). Line a cookie sheet with foil.
- Whip the Egg Whites
- In a mixing bowl, beat the egg whites until stiff peaks form. Gradually add the sugar while continuing to beat until glossy.
- Gently fold in chopped dates, chocolate chips, shredded coconut, and chopped pecans.
- Drop mixture by teaspoonfuls onto the foil-lined baking sheet.
- Place tray into the preheated oven, then immediately turn the oven OFF. Do not open the oven door.
- Leave cookies in the closed oven overnight. In the morning, they'll be crisp on the outside, chewy inside, and ready to enjoy.
Nutrition
Notes
• Swap pecans for walnuts or slivered almonds
• Leave out the chocolate chips for a more traditional version
• Add a sprinkle of cinnamon or ginger for warmth
• Use chopped dried cranberries instead of dates for a tart twist 💡 Pro tip: Add a note card with the recipe and give these in little holiday tins — they stay fresh and make a memorable gift.
Tried this recipe?
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One response to “Grandma's Forgotten Sweets (Overnight Meringue Cookies)”
Yummy and nostalgic
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