1-First Step: Mise en Place and Prep Pans (10 minutes)
Preheat oven to 350°F (175°C). Grease and flour two 9-inch round pans or line with parchment. Hull 2 cups fresh strawberries. Puree 1 1/2 cups in blender for 1 cup smooth puree; reserve 1/4 cup for frosting. Chop remaining 1/2 cup into small pieces, pat dry to avoid sogginess. Measure all dry ingredients: whisk 2 1/2 cups flour, 1 tsp baking powder, 1/2 tsp baking soda, 1/4 tsp salt in a bowl. This setup prevents rushed mixing and ensures even baking.

2-Second Step: Cream Wet Ingredients (5 minutes)
In a large bowl, beat 1/2 cup softened butter and 1 1/2 cups sugar with mixer on medium until light and fluffy, about 3 minutes. Add 3 eggs one at a time, beating well after each. Mix in 1 cup strawberry puree. Scrape bowl often. Tip: Room-temp ingredients blend smoothly, preventing lumps. For lighter version, use 4 egg whites, 1 cup butter, 2 cups sugar as in pro recipes.

3-Third Step: Combine Dry and Wet (5 minutes)
Add dry mix to wet in thirds, alternating with 1/2 cup buttermilk. Start and end with dry. Fold gently with spatula after each addition. Overmixing toughens gluten, so stop when just combined. Fold in 1/2 cup chopped strawberries last. Batter should be thick but pourable. Divide evenly into pans.

4-Fourth Step: Bake and Cool (30 minutes + 1 hour)
Bake 25-30 minutes until toothpick inserted in center is clean. Edges pull from pan. Cool in pans 10 minutes, then invert onto wire racks. Cool fully, about 1 hour. Brush with simple syrup (1/4 cup sugar + 1/4 cup strawberry juice boiled) for extra moisture if desired. Pro tip: For frozen berries, thaw, drain, add 2-3 extra bake minutes.

5-Fifth Step: Make Strawberry Cream Cheese Frosting (10 minutes)
Beat 8 oz softened cream cheese and 1/2 cup butter until smooth. Add 1/4 cup strawberry puree, then 4 cups powdered sugar gradually on low speed. Increase to high for 2 minutes until fluffy. For thicker, use 1 cup butter, 6 cups sugar, 1/2 cup puree. Chill 15 minutes if too soft.

6-Final Step: Assemble and Serve (10 minutes)
Level cooled layers if domed. Place one on plate, spread 1 cup frosting. Add second layer, crumb coat entire cake thinly. Chill 15 minutes, then frost fully. Garnish with halved strawberries. Slice with serrated knife dipped in hot water. Serve at room temp for best flavor. Store as below. Pairs great with whipped cream.