Chocolate Eclairs

Name: Chocolate Eclairs
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: French
Ingredients: 3/4 cup Milk; 3/4 cup Heavy Cream; 1/2 cup Sugar; 3 tablespoons All-Purpose Flour; 3 Egg Yolks; 1 teaspoon Vanilla Extract; 1 tablespoon Butter; 1/2 cup Water; 1/4 cup Milk; 1/4 cup Heavy Cream; 1/2 cup Butter, softened; 2 teaspoons Sugar; 1/2 teaspoon Salt; 1 cup All-Purpose Flour; 4 Eggs, whisked; 3/4 cup Powdered Sugar; 2 tablespoons Unsweetened Cocoa Powder; 1 1/2 tablespoons Milk or Heavy Cream