English Lemon Cake - Valerie Bertinelli

Ingredients

• 2 cups granulated sugar
• 1/3 cup unsalted butter, plus more for pan
• 4 large eggs
• 3 cups all-purpose flour, plus more for pan
• 2 teaspoons baking powder
• 1 teaspoon kosher salt
• 1 cup whole milk
• 1 cup toasted slivered almonds
• 2 tablespoons lemon zest (from 2 lemons), plus more for garnish
• 3/4 cup frozen lemonade concentrate, thawed, undiluted