Macadamia Nut and Wattleseed Carrot Cake

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A moist carrot cake enhanced with crunchy macadamia nuts and the warm, nutty flavor of Australian wattleseed. This australian-inspired desserts ready in about 65 minutes layers all-purpose flour, baking powder, ground cinnamon into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 380 calories and feeds 8, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 20 min Cook: 45 min Serves 8 Australian cuisine 380 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 350°F. In a medium bowl, whisk together 1 1/2 cups all-purpose flour, 1 tsp baking powder, 1 tsp ground cinnamon, and 1 tbsp ground wattleseed.
  2. Step 2: In a large bowl, beat 1 cup granulated sugar with 1/2 cup vegetable oil, 2 large eggs, and 1 tsp vanilla extract until smooth.
  3. Step 3: Gradually add dry ingredients to the wet mixture, folding gently until combined, then fold in 1 1/2 cups grated carrots and 3/4 cup chopped macadamia nuts.
  4. Step 4: Pour batter evenly into a greased 9-inch round cake pan and bake for 40-45 minutes until a toothpick inserted comes out clean. Let cool completely.
  5. Step 5: For frosting, beat 8 oz softened cream cheese with 1/4 cup softened unsalted butter until creamy, then gradually add 1 1/2 cups powdered sugar and 2 tbsp lemon juice until smooth.
  6. Step 6: Spread frosting evenly over cooled cake and garnish with extra chopped macadamia nuts if desired.

Equipment for this recipe

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Frequently asked questions

How long does Macadamia Nut and Wattleseed Carrot Cake take to make?

Total time is about 65 minutes (20 min prep + 45 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.

How do I store leftover Macadamia Nut and Wattleseed Carrot Cake?

Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.

Can I substitute ingredients in Macadamia Nut and Wattleseed Carrot Cake?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Macadamia Nut and Wattleseed Carrot Cake for a different number of people?

The recipe is written for 8 servings. Multiply each ingredient by (your serving target / 8). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Macadamia Nut and Wattleseed Carrot Cake?

Australian desserts like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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