Holiday Finnish Buns

Name: Holiday Finnish Buns
Ingredients: For the Buns; 2 1/4 teaspoons active yeast; 1/4 cup warm water; 1 cup warm almond milk; 1 teaspoon salt; 1/4 cup white sugar; 2 large eggs; 630 grams all-purpose gluten free flour mix; 1/2 cup unsalted butter, melted; 2 egg yolks; For the Filling; 5 ounces goat's milk cream cheese; 1 large egg; 1/3 cup white sugar; 3 small lemons, rinds grated; 1 1/2 tablespoons lemon juice