Wild Blueberry Steamed Pudding | Saveur

Ingredients

• 4 tbsp. (1/2 stick) unsalted butter, cut into pieces, plus additional for baking
• 1 cup sugar
• ¹⁄₂ cup whole milk
• 1 large farm-fresh egg
• 1 tsp. vanilla extract
• Finely grated zest of 1 lemon
• 1 cup all-purpose flour
• 1 tbsp. baking powder
• ¹⁄₂ tsp. kosher salt
• 1 cup wild blueberries, gently rinsed and stemmed
• 4 smooth stones or a folded tea towel, for lining the pot