Blend the cottage cheese, eggs, milk, maple syrup, and vanilla until smooth.
Whisk the oat flour, protein powder, baking powder, and fine salt in a bowl. Stir in the blended mixture, then fold in the crushed pretzels.
Stir the Greek yogurt, caramel sauce, and vanilla together until creamy.
Cook the pancakes in a lightly greased skillet over medium-low heat until the tops bubble and the edges look set.
Flip the pancakes and cook for another 1 to 2 minutes. Warm the caramel sauce briefly if needed for drizzling.
Stack the pancakes with caramel yogurt between the layers. Finish with extra pretzels, caramel sauce, and flaky sea salt.