01 - Whisk sweet rice flour, cornstarch, granulated sugar, baking powder, and sea salt thoroughly in a large mixing bowl.
02 - Beat eggs in a separate bowl, then blend in whole milk, neutral oil, and vanilla extract until uniform.
03 - Pour the wet mixture into the dry ingredients and stir until a smooth batter forms.
04 - Fold chopped cranberries gently into the batter to distribute evenly.
05 - Heat a nonstick skillet or griddle over medium-low heat and brush lightly with unsalted butter.
06 - Drop heaping tablespoons of batter onto the skillet, spacing them apart. Cook for 2–3 minutes until small bubbles appear and edges set.
07 - Turn each blini over and cook for an additional 1–2 minutes until golden and cooked through.
08 - Transfer cooked blinis to a plate and repeat with remaining batter, adding butter to the pan as needed.
09 - Serve warm, optionally dusted with powdered sugar and drizzled with maple syrup or honey.