Desserts Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. 
Serving Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. Brownies in a Jar
Layered dry brownie mix in a quart jar that bakes into rich, fudgy chocolate-pecan brownies, ideal as a homemade gift.
Contains common allergens
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Instructions
6 steps- 1
Pour the sugar into a clean, dry one-quart jar and press down firmly to level.
- 2
Add the cocoa powder and press down firmly, then wipe the inside of the jar with a dry paper towel.
- 3
Pour in the chopped pecans, spreading them into an even layer.
- 4
Combine the flour, baking powder, and salt, then pour into the jar on top and seal. (Attach baking directions to the jar if giving as a gift.)
- 5
To bake: empty the jar of mix into a large bowl and stir to blend thoroughly. Add 3/4 cup melted butter or margarine and 4 beaten eggs, and mix until completely blended.
- 6
Spread the batter into a lightly greased 9x13-inch pan and bake at 350°F (175°C) for about 30 minutes, until set. Cool in the pan, then cut into 2-inch squares.
Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. Listahan Family Score™
74/100
Good fit for most families
Score reflects how well this recipe fits a typical busy household. In the app, your Family Score is personalized to your household's allergens, kids, and pantry.
Nutrition
per serving170
Calories
2 g
Protein
23 g
Carbs
9 g
Fat
Estimated per serving. Actual values depend on the brands and portions you use.
Listahan cooking guide
Chef notes & practical guide
Technique notes, ingredient swaps, serve-alongside ideas, storage guidance, and equipment for this recipe.
Cultural context
Baking-mix gifts in glass mason jars became a popular American homemade gift tradition in the 1990s, when food bloggers and craft magazines popularized the concept of layered dry ingredients as a visually appealing gift requiring only wet ingredients from the recipient. Brownies were among the first and most popular formats because the dry components (sugar, cocoa, flour, leavening) layer visually in distinct bands, making the gift as decorative as it is practical. The tradition has roots in the 19th-century American practice of gifting pantry staples during the holiday season.
Listahan note
This version layers the dry ingredients in order of density for visual impact, and the recipient adds only melted butter and eggs before baking, making it a genuinely functional gift that bakes into proper fudgy brownies.
Technique cues
- Layering denser ingredients (sugar) at the bottom and lighter ones (cocoa, flour) above keeps the layers visually distinct; shaking or jostling the jar after filling will blend the layers and defeat the visual appeal.
- The ratio of 2 1/4 cups sugar to 3/4 cup cocoa produces a sweet, relatively mild chocolate brownie; recipients who prefer richer brownies can substitute 2 oz of melted dark chocolate for 2 Tbsp of the melted butter.
- Baking powder in a brownie rather than baking soda creates a slightly cakier rise; this is intentional in a gift jar recipe where the recipient needs a forgiving formula that does not require acid ingredients.
Kitchen flow
- Parallel prep
- When gifting, prepare multiple jars assembly-line style by layering each ingredient into all jars at once before moving to the next layer.
- Make-ahead
- Sealed jars keep for up to 3 months in a cool, dry location; attach a label with baking instructions and a use-by date.
- Leftover move
- Leftover baked brownies can be cut into chunks and stirred into softened vanilla ice cream before refreezing for a brownie swirl ice cream.
- Cleanup rhythm
- Use a wide-mouth mason jar and a canning funnel to layer ingredients without spilling on the rim; wipe the rim before sealing so the lid makes a clean seal.
Ingredient brief
Role, handling, and swap guidance for each key ingredient.
2 1/4 cups white sugar
primary sweetener and fudginess driver
Purpose: A high ratio of sugar to flour is what keeps brownies dense and fudgy rather than cakey; the sugar absorbs moisture and inhibits gluten development.
Handling: Layer as the bottom-most ingredient in the jar since it is the heaviest and keeps the layers from shifting.
Adaptation: Brown sugar can replace up to half the white sugar for a deeper molasses flavor in the finished brownies.
3/4 cup unsweetened cocoa powder
chocolate flavor and color
Purpose: Natural cocoa provides deep chocolate flavor; its acidity also balances the sweetness of the high sugar ratio.
Handling: Sift before layering to prevent clumps from forming a solid plug that would be difficult to mix when the recipient combines the dry ingredients.
Adaptation: Dutch-process cocoa gives a darker, less acidic result and is fine in this recipe alongside baking powder.
1/2 cup all-purpose flour
structure
Purpose: Flour provides just enough structure to hold the brownie together; the relatively low flour-to-sugar ratio keeps the texture fudgy.
Handling: Layer on top of the cocoa since it is the lightest dry ingredient and will settle least during transport.
Adaptation: A 1:1 gluten-free baking flour blend makes the jar recipe gluten-free; note this on a label or gift tag.
2/3 cup chopped pecans
texture and flavor accent
Purpose: Pecans add a buttery crunch that contrasts with the dense brownie and provides a visual element between the dry layers.
Handling: Chop to roughly 1/4-inch pieces; too fine and they lose visual impact, too large and they sink or poke through the top crust.
Adaptation: Walnuts, almonds, or chocolate chips can replace pecans; note nut substitutions on a gift label for allergen awareness.
Technique notes
- When baking from the jar, the recipient should mix all the dry ingredients together in a bowl before adding wet ingredients, because the layers are visually separate and not pre-combined.
- Melted butter (not oil) gives brownies a richer flavor and a slightly firmer fudge texture; remind the recipient in the gift instructions that butter is the fat of choice here.
- The baked brownies should rest at least 20 minutes in the pan before cutting; cutting too early produces crumbly, sticky edges instead of clean squares.
Ingredient swaps
- Nut-free direction
- Replace pecans with an equal volume of chocolate chips or butterscotch chips; note the change on the gift label.
- Gluten-free direction
- Use a 1:1 gluten-free baking flour blend in place of all-purpose flour; the brownies will be slightly more dense but still fudgy.
- Vegan direction
- The recipient can use melted vegan butter and flax eggs (1 Tbsp ground flaxseed plus 3 Tbsp water per egg, rested 5 minutes) when baking; note this option on the jar label.
Serve alongside
- vanilla ice cream alongside warm brownies
- whipped cream with a sprinkle of flaky salt
- fresh raspberries for a tart contrast
- cold whole milk
- hot coffee or a mocha latte
Serving suggestions only — check pairings for your household's allergens.
Storage & reheating
- Dry jar mix: store sealed at room temperature for up to 3 months away from heat and light.
- Baked brownies: store covered at room temperature for up to 4 days, or refrigerate for up to 1 week.
- Freeze baked brownies individually wrapped in plastic for up to 2 months; thaw at room temperature for 1 hour.
Equipment
- wide-mouth quart mason jar with lid
- canning funnel for clean layering
- 9x9 inch baking pan for baking
- sifter or fine-mesh strainer for the cocoa powder
Make this household-aware
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Plan it in Listahan
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