German Chocolate Cake Recipe

Name: German Chocolate Cake Recipe
Prep time: 1 h 5 min
Cook time: 50 min
Total time: 1 h 55 min
Cuisine: American
Ingredients: 4 oz sweetened baking chocolate (chopped); 1/2 cup boiling water; 1 cup unsalted Butter (room temperature); 1 1/2 cup granulated sugar; 1/2 cup light brown sugar; 4 large eggs (separated (egg yolks in one bowl and egg whites beaten until stiff peaks in another bowl)); 2 1/2 cups cake flour (sifted); 1 tsp baking soda; 1 tsp salt; 1 cup buttermilk (room temperature); 1 tbsp vanilla extract; 2 cups evaporated milk; 2 cup light brown sugar (packed); 6 egg yolks; 1 cup unsalted butter; 2 tsp vanilla extract; 3 cups flaked coconut (plus more if needed); 2 cups chopped pecans (plus more if neede)