Old-Fashioned Molasses Cookie Bars are my kind of shortcut cookie: all the soft and chewy goodness of a classic molasses cookie, but baked as simple sheet-pan bars.
The flavor is exactly what I want from this style—warm ginger, cinnamon, and cloves with that deep, sweet molasses taste. They bake up with set edges and a tender middle, and I like how reliable they are when I need something easy for a platter.
I make these a lot for holiday cookie trays and casual get-togethers because they slice neatly and travel well. The optional vanilla glaze is nice when you want them to look a little finished, but I’m happy with them plain too.
Why You’ll Love This Recipe
Soft and chewy: These bake up like a thick molasses cookie, just easier to portion and serve.
Big spice flavor: Ginger, cinnamon, and cloves give you that classic “old-fashioned” taste that works especially well with molasses.
Pan-baked and simple: No scooping trays of cookies. One pan, one bake, and you’re done.
Glaze is optional: I like the vanilla glaze for parties, but the bars are still great without it.
Easy to tweak: You can keep them plain, add raisins or nuts, or adjust bake time for extra chew.
Ingredients You’ll Need
Cookie Bar Batter
- All-purpose flour: I use regular AP flour here. Spoon and level if you tend to pack flour into the cup.
- Ground ginger: This is the main spice note, so use one that still smells strong and fresh.
- Ground cinnamon: Adds warmth and rounds out the ginger. Any basic cinnamon works.
- Ground cloves: A little goes a long way, and it’s what gives that classic molasses cookie edge. If yours is super strong, don’t be tempted to add extra.
- Baking soda: Helps the bars lift and gives that familiar molasses-cookie texture.
- Fine salt: Don’t skip it. It keeps the sweetness in check and makes the spices taste sharper.
- Unsalted butter: Softened butter creams best, so it should give when you press it but not look oily.
- Light brown sugar: I like light brown sugar for a clean caramel note, but dark brown sugar works too if that’s what you have.
- Granulated sugar: Helps the edges set and keeps the bars from tasting too heavy.
- Unsulfured molasses: Dark molasses is great for deeper flavor, but I avoid blackstrap here because it can taste bitter.
- Egg: Just one egg binds everything and keeps the crumb tender.
- Vanilla extract: This makes the spice taste more rounded. Real extract is worth it if you have it.
- Milk: A small splash helps if the batter feels stiff, especially if your flour was a little heavy-handed.
Optional Vanilla Glaze
- Powdered sugar: Sift it if yours is lumpy, especially if you want a smooth drizzle.
- Vanilla extract: Simple and classic on top of the molasses and spice.
- Milk: Add a little at a time until the glaze is thick but still pourable.
- Salt: Just a pinch keeps the glaze from tasting flat.
Recipe Instructions
- Preheat the oven: Heat the oven to 350°F. Line a 9×13-inch pan with parchment paper and lightly grease it.
- Mix the dry ingredients: Whisk the flour, ginger, cinnamon, cloves, baking soda, and salt in a medium bowl, then set aside.
- Cream the butter and sugar: Beat the softened butter, brown sugar, and granulated sugar until fluffy and well blended.
- Add the molasses: Beat in the molasses, egg, and vanilla until smooth.
- Add the dry ingredients: Mix in the dry ingredients just until you don’t see dry flour.
- Add the milk: Stir in the milk to loosen the batter a bit if it feels thick and hard to spread.
- Spread the batter: Scrape the batter into the prepared pan and spread it into an even layer, all the way into the corners.
- Bake: Bake for 20 to 25 minutes, until the bars are set and a toothpick comes out with moist crumbs.
- Let cool: Cool completely in the pan before glazing and slicing so the bars set up and cut cleanly.
- Mix the glaze: Whisk the powdered sugar, vanilla, milk, and salt until smooth and pourable.
- Glaze and slice: Drizzle or spread the glaze over the cooled bars and let it set for 10 to 15 minutes. Cut into 24 squares and store airtight.
Some of my tips!
This is the part that really makes a difference. If you only read one section, make it this one because this is where I share the little trick that helps the recipe turn out so well.
Recipe Tips & Tricks
Use dark molasses if you want more depth. Dark molasses gives a stronger flavor, but I’d skip blackstrap here. It can turn the bars bitter.
Pull them a touch early for extra chew. If you like softer centers, underbake by 1 to 2 minutes. They keep setting as they cool.
Parchment is worth it. It makes lifting and slicing easy, and it keeps the edges from sticking to the pan.
Swap some butter for oil if you like them softer. Replacing about half the butter with vegetable oil makes a more tender, softer bar. The flavor is slightly less “buttery,” but the texture is really nice.
Keep add-ins modest. Raisins or chopped nuts are good, but don’t overload the batter or it gets harder to slice cleanly.
Make some touches!
There are plenty of easy ways to serve this depending on the occasion. Keep it simple, or add a few small touches to make it feel a little more special.
Serving Suggestions
- Milk: A cold glass of milk is classic with anything molasses-y. It’s especially nice if you skip the glaze.
- Coffee or tea: These go really well with black coffee, chai, or an Earl Grey. I like them most with something not too sweet.
- Ice cream: Serve a bar with vanilla ice cream on the side for a simple dessert plate. If you warmed the bar slightly, it’s even better.
- Fruit: Pear slices, apple slices, or a handful of berries are nice if you want something fresh next to the spice.
Save it for later
This section covers how to store leftovers and what parts of the recipe you can prepare ahead of time.
Storage and Make Ahead
Store baked bars in an airtight container at room temperature for a couple of days. If your kitchen runs warm, I usually move them to the fridge so the glaze doesn’t get sticky.
Fridge storage works well for longer keeping. Let a bar sit out for a few minutes before serving if you like a softer bite.
You can make these ahead and glaze them later. I usually bake and fully cool the bars, then glaze the day I’m serving if I want the top to look neat.
If you want them to last longer, freeze individual squares (glazed or unglazed). Thaw at room temperature until soft again.
A few quick answers
This section covers a few extra details that may help before you head to the recipe card.
Recipe FAQs
Can I use blackstrap molasses?
I wouldn’t for this recipe. Blackstrap is much more bitter and intense, and it can make the bars taste a little harsh instead of cozy and spiced.
How do I know when molasses cookie bars are done?
I look for set edges and a center that doesn’t look wet. A toothpick should come out with moist crumbs, not raw batter.
Can I skip the glaze?
Yes. They’re great plain, and they’re a little less sweet that way. If you want a simple finish without glaze, a light dusting of powdered sugar is fine too.
Can I add raisins or nuts?
Definitely. I like chopped walnuts or pecans, and raisins are very traditional in this flavor family. Keep the add-ins to a reasonable amount so the bars still slice neatly.
Can I freeze these cookie bars?
Yes, they freeze well. I like to freeze them as individual squares so I can pull a few at a time, then thaw at room temp.
You might also like
Before you go, take a look at a few other recipes below the recipe card. They use similar ingredients in a different way and are worth saving too.
MORE DINNER RECIPES TO TRY
Old-Fashioned Molasses Cookie Bars
INGREDIENTS
Cookie Bar Batter
- 2 1 4 cups all purpose flour
- 2 tsp ground ginger
- 1 tsp ground cinnamon
- 1 4 tsp ground cloves
- 1 tsp baking soda
- 1 2 tsp fine salt
- 3 4 cup unsalted butter softened
- 1 cup packed light brown sugar
- 1 4 cup granulated sugar
- 1 3 cup unsulfured molasses
- 1 large egg
- 2 tsp vanilla extract
- 2 tbsp milk.
Optional Vanilla Glaze
- 1 cup powdered sugar
- 1 2 tsp vanilla extract
- 1 2 tbsp milk
- pinch of salt.
INSTRUCTIONS
Bake Cookie Bars
- heat oven to 350F and line a 9x13 inch pan with parchment and lightly grease
- whisk flour ginger cinnamon cloves baking soda and salt
- beat butter brown sugar and granulated sugar until fluffy then beat in molasses egg and vanilla
- mix in dry ingredients just until combined and add milk to loosen if needed
- spread batter evenly in pan and bake until set and a toothpick comes out with moist crumbs 20 to 25 minutes
- cool completely in pan before glazing and slicing.
Glaze And Serve
- whisk powdered sugar vanilla milk and salt until smooth and pourable
- spread or drizzle glaze over cooled bars and let set 10 to 15 minutes
- cut into 24 squares and store airtight.
