Bursting with flavor and color.

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Credit: Antonis Achilleos; Food Styling: Emily Nabors Hall; Prop Styling: Mary Clayton Carl Jones

Recipe Summary

bake:
25 mins
cool:
55 mins
stand:
1 hr
chill:
30 mins
total:
3 hrs 35 mins
active:
45 mins
Servings:
12
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It's thyme to party. Whether you're hosting an intimate birthday celebration or a ladies' luncheon, this Lemon Cake with Lemon-Thyme Frosting will be receiving a VIP invitation.

This lemon cake will be a ray of sunshine at your next gathering. Starting with a base of lemon cake mix, this layer cake gets dressed up with a homemade lemon buttercream frosting. Since you're saving so much time by using boxed cake mix (get our tips on how to jazz it up here), you can really dedicate your time to the best part—constructing and decorating your layer cake. We dye this lemon cake frosting three shades of yellow and use a bench scraper to create an ombré effect up the sides of the cake.

For a touch of brightness, we love to infuse fresh herbs, such as thyme, into our frosting. A frosting that's infused with fresh herbs sounds fancy, but it's just as easy as making a cup of tea. Heat up the heavy cream, and then let the thyme sprigs steep. Fresh rosemary would also pair nicely with this lemony cake.

Ingredients

Ingredient Checklist

Directions

Instructions Checklist
  • Preheat oven to 350°F. Prepare lemon cake mix according to package directions. Divide batter evenly among 3 (9-inch) round cake pans coated with baking spray.

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  • Bake in preheated oven until a wooden pick inserted in centers of cakes comes out clean, about 25 minutes. Cool in pans 10 minutes. Invert cakes onto wire racks; cool completely, about 45 minutes.

  • Heat cream in a small saucepan over medium until just simmering. Add thyme sprigs, pressing down using a spoon to submerge. Remove from heat; cover and let stand until cream has cooled, about 1 hour. Remove and discard sprigs. Set aside cream.

  • Beat butter in bowl of a stand mixer fitted with a paddle attachment on medium speed until smooth, about 2 minutes. With mixer on low speed, gradually add powdered sugar, lemon juice, and infused cream. Increase speed to medium-high, and beat until fluffy, about 3 minutes. (You will have about 7 cups frosting.)

  • Measure 1¼ cups frosting into each of 2 small bowls. (Reserve remaining undyed frosting in mixer bowl.) Add 4 drops food coloring to 1 small bowl of frosting, and stir to combine. Add 2 drops food coloring to remaining small bowl of frosting; stir to combine. Spoon ⅔ cup each of dark yellow frosting, light yellow frosting, and undyed frosting into 3 separate piping bags. Snip a 1-inch tip off of each bag. Spoon remaining dark and light yellow frostings (about ½ cup each) and ½ cup undyed frosting into 3 separate piping bags fitted with different star tips (such as Wilton 21, 32, and 2D). Set aside all piping bags.

  • Place a cake plate on a lazy Susan or stand. Put 1 cake layer on plate; spread 1 cup undyed frosting in a smooth layer over the top. Repeat with remaining 2 cake layers and 2 cups of the undyed frosting. Using a bench scraper or a large offset spatula, spread remaining undyed frosting (about ⅓ cup) in a thin layer over sides of cake. Remove cake plate with cake from lazy Susan. Chill until frosting sets and firms up, about 30 minutes.

  • Return cake plate with cake to lazy Susan. Using the dark yellow frosting in the piping bag with the snipped tip, start at the base of the cake, and turn cake while piping a straight line, creating a ring of frosting around the cake. Leaving space above the dark yellow line, repeat the piping process using light yellow frosting. Repeat with undyed frosting. (Alternatively, leave less space between the rings and repeat series of dark yellow, light yellow, and undyed lines to make more stripes.) Turn cake while dragging the straight edge of a bench scraper (or a large offset spatula) around side of cake (holding scraper at a 30-degree angle toward cake), smoothing and pressing the frosting lines together to create blended stripes of frosting around cake. See step-by-step instructions for making ombré stripes here.

  • Using the reserved dark yellow, light yellow, and undyed frosting in piping bags with star tips, pipe small rosettes and flowers on top of cake. Garnish with sugar pearl sprinkles.

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