Lemon and Raspberry Cream Puffs

Ingredients

• 1 cup water
• 1/2 cup unsalted butter, cut into pieces
• 2 tbsp granulated sugar
• 1/8 tsp kosher salt
• 1 cup all-purpose flour
• 4 large eggs
• 1 large egg, beaten
• For the custard base:
• 1/2 cup sugar
• 1/4 cup flour
• 1/4 tsp salt
• 4 large egg yolks
• 1 1/2 cups whole milk
• 1 tsp vanilla extract