01 - In a large bowl, whisk together flour, sugar, baking powder, baking soda, salt, and cinnamon until thoroughly blended.
02 - In a separate bowl, whisk milk, eggs, melted butter, and vanilla extract until completely combined and smooth.
03 - Pour wet ingredients into dry ingredients and mix until just combined. Do not overmix—small lumps are acceptable. Let batter rest for 5 minutes to thicken slightly.
04 - Heat a non-stick skillet or griddle over medium heat. Lightly grease the surface with butter.
05 - Pour 1/4 cup of batter per pancake onto the griddle. Cook until bubbles appear on the surface and edges look set, then flip and cook until golden brown, approximately 2–3 minutes per side.
06 - While pancakes cook, combine 1/4 cup sugar with 2 teaspoons cinnamon in a small bowl. Mix thoroughly until uniform in color.
07 - Brush warm pancakes lightly with melted butter, then dust both sides generously with the cinnamon sugar mixture.
08 - Place chopped chocolate and cream in a microwave-safe bowl. Microwave in 20-second intervals, stirring between each, until completely melted, smooth, and glossy.
09 - Stack coated pancakes and drizzle with warm chocolate sauce. Alternatively, serve chocolate sauce on the side for dipping.