Eggless brioche doughnuts recipe: easy homemade treat

Ingredients

• 2 1/2 teaspoons (1 envelope) active dry yeast
• 1/2 cup whole milk, at room temperature
• 1/2 cup all-purpose flour
• 1 tablespoon light brown sugar
• 2 to 2 1/4 cups all-purpose flour
• 1 teaspoon salt
• 1/2 teaspoon ground cardamom
• l/4 teaspoon ground cinnamon
• 6 tbsp crumbled tofu
• 4 tsp cornstarch
• 1/4 cup milk
• 60 gm unsalted butter, softened
• oil for frying (I use blended rice bran and sunflower oil)
• 1 cup powdered sugar for coating, or more to taste