Grammy's Pumpkin Sheet Cake | Lazy Cooking

Ingredients

• ***For the cake:***
• 2 cups all-purpose flour
• 2 teaspoons baking soda
• 1 1/4 teaspoons ground cinnamon
• 1/2 teaspoon salt
• 1/4 teaspoon nutmeg, freshly grated
• 1 (15-ounce) can pumpkin purée
• 1 3/4 cups brown sugar
• 1/2 cup plain Greek yogurt
• 1/2 cup vegetable oil
• 4 large eggs
• 2 teaspoons vanilla extract
• ***For the cinnamon cream cheese frosting:***
• 2 (8-ounce) packages cream, room temperature
• 1 stick unsalted butter, room temperature
• 2 1/2 cups powdered sugar
• 1/2 teaspoon cinnamon, plus more, to taste, for garnish
• 1 teaspoon vanilla extract