Baked Blueberry Cake Donuts - Zest Plate

Ingredients

• 2 cups (250 g) all-purpose flour, spooned and leveled
• 1 tbsp baking powder
• 1/2 tsp salt
• 1 tsp ground cardamom (optional)
• 1 1/2 cups (255 g) fresh blueberries
• 1 tbsp (8 g) all-purpose flour, spooned and leveled (for tossing with blueberries)
• 1/2 cup (112 g) unsalted butter, melted
• 1 cup (200 g) granulated white sugar
• 2 large eggs, at room temperature
• 1 tsp vanilla extract
• 1/2 cup (122 g) sour cream, at room temperature
• 1/2 cup (120 ml) whole milk, at room temperature
• 2 cups (260 g) powdered sugar
• 2 tbsp blueberry jam
• 2-3 tbsp milk