Lemon Chocolate Jar Cake

Lemon Chocolate Jar Cake is a easy American recipe that serves 4. 495 calories per serving. Recipe by Minel Kitchen on YouTube.

Prep: 15 min | Cook: 20 min | Total: 45 min

Cost: $3.74 total, $0.94 per serving

Ingredients

  • 4 pcs Eggs (Large, room temperature)
  • 8 tbsp Granulated sugar
  • 8 tbsp Whole milk
  • 8 tbsp Olive oil (Extra‑virgin for best flavor)
  • 1 tsp Lemon juice (Freshly squeezed; about 6‑7 drops per jar)
  • 1 tsp Lemon zest (Finely grated fresh zest)
  • 8 tsp Cocoa powder (Unsweetened)
  • 8 tbsp All‑purpose flour (Sifted)
  • 4 tsp Vanilla extract (One packet equals 1 tsp)
  • 4 tsp Baking powder

Instructions

  1. Gather and measure ingredients

    Measure all ingredients for 4 jars. Keep the lemon zest, cocoa powder, and flour sifted in separate small bowls.

    Time: PT5M

  2. Beat eggs and sugar

    In the mixing bowl, whisk the 4 eggs together with 8 tbsp sugar until the mixture becomes pale and slightly frothy (about 2 minutes).

    Time: PT2M

  3. Add wet ingredients

    Stir in 8 tbsp milk, 8 tbsp olive oil, 1 tsp lemon juice, and the lemon zest. Mix until just combined.

    Time: PT2M

  4. Incorporate dry ingredients

    Add 8 tsp cocoa powder, 8 tbsp sifted flour, 4 tsp vanilla extract, and 4 tsp baking powder. Gently fold until the batter is uniform and no streaks remain.

    Time: PT3M

  5. Portion batter into jars

    Divide the batter evenly among the 4 jars, filling each about three‑quarters full. Secure each lid tightly.

    Time: PT2M

  6. Prepare the water‑bath

    Place the pot on the stove and add enough water so that it reaches just below the tops of the closed jars when they are placed inside.

    Time: PT2M

  7. Cook the jars

    Bring the water to a gentle simmer over medium heat, then cover the pot. Cook for 20 minutes, keeping the water at a steady simmer (no rolling boil).

    Time: PT20M

    Temperature: Medium heat

  8. Cool and serve

    Using tongs, carefully remove the hot jars from the pot and set them on a heat‑proof surface. Let cool for 3‑5 minutes before opening. Serve warm, optionally topped with melted chocolate or shredded coconut.

    Time: PT5M

Nutrition Facts

Calories
495
Protein
6 g
Carbohydrates
55 g
Fat
25 g
Fiber
2 g

Dietary info: Vegetarian

Allergens: Eggs, Milk, Gluten

Ingredient Substitutions

  • Instead of Eggs: Flax egg (1 tbsp ground flax + 3 tbsp water) for vegans
  • Instead of Granulated sugar: Coconut sugar, Honey (reduce milk)
  • Instead of Whole milk: Almond milk, Soy milk
  • Instead of Olive oil: Vegetable oil, Melted butter
  • Instead of Lemon juice: Lime juice
  • Instead of Lemon zest: Lemon extract (¼ tsp)
  • Instead of Cocoa powder: Dutch‑process cocoa, Carob powder
  • Instead of All‑purpose flour: Gluten‑free flour blend
  • Instead of Vanilla extract: Almond extract, Maple extract
  • Instead of Baking powder: Baking soda + cream of tartar (1 tsp + ½ tsp)

Equipment Needed

  • 4 small mason jars (8‑oz capacity)
  • Medium‑sized pot
  • Whisk or fork
  • Measuring spoons
  • Mixing bowl
  • Stove (medium heat)

Critical Steps — Do Not Skip

  • Beating eggs and sugar until pale (Step 2) creates the cake’s airy texture.
  • Folding in dry ingredients gently (Step 4) prevents over‑development of gluten.
  • Ensuring the water level stays just below the jar lids during cooking (Step 7).

Chef Tips from the Video

  • For extra shine, brush the tops of the jars with a thin layer of melted butter before cooking.
  • Add a pinch of sea salt to enhance the chocolate flavor.
  • Serve with a dollop of whipped cream or a drizzle of honey for extra indulgence.

Troubleshooting

Cake is dense and did not rise.

Make sure the eggs and sugar are whisked until pale; use fresh baking powder and do not over‑mix the batter.

Jars cracked during cooking.

Do not let the water come to a rolling boil and ensure the jars are at room temperature before placing them in the hot water.

Water evaporated before the 20‑minute cook time.

Check the water level halfway through and add a little hot water to keep the level just below the jar tops.

Storage

Refrigerator: Store cooled jars, sealed, for up to 3 days.

Freezer: Wrap each jar tightly with plastic wrap and freeze for up to 1 month.

Room temperature: Can sit at room temperature for 2‑3 hours after cooking, but longer storage is not recommended.

Make-Ahead Tips

  • Prepare the batter up to Step 4, cover, and refrigerate for up to 12 hours. Add baking powder just before filling jars.
  • The cooked cakes can be reheated in the microwave for 20‑30 seconds.

Last updated: September 6, 2026

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Lemon Chocolate Jar Cake

Recipe by Minel Kitchen

A simple, single‑serve lemon‑chocolate cake baked in mason jars using a stovetop water‑bath. Each jar yields a fluffy, moist cake with a bright lemon note and rich cocoa flavor—perfect for a quick dessert or snack.

EasyAmericanServes 4

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
21m
Prep
20m
Cook
10m
Cleanup
51m
Total

Cost Breakdown

$3.74
Total cost
$0.94
Per serving

Critical Success Points

  • • Beating eggs and sugar until pale (Step 2) creates the cake’s airy texture.
  • • Folding in dry ingredients gently (Step 4) prevents over‑development of gluten.
  • • Ensuring the water level stays just below the jar lids during cooking (Step 7).

Safety Warnings

  • • The water bath and jars become extremely hot; use oven mitts or tongs.
  • • Do not let the water boil vigorously, which could cause the jars to crack.