Preheat oven to 350 degrees F. Mix together oats, walnuts, 1 teaspoon sugar, and ½ teaspoon cinnamon in small bowl. Cut in 2 teaspoons of butter until mixture is slightly clumpy. Spread on small baking sheet lined with aluminum foil. Bake at 350 degrees F for about 10-15 minutes or until browned and crispy. Set aside to cool.
Meanwhile, place chopped peaches in a baking dish. Sprinkle 1 teaspoon sugar and ½ teaspoon of cinnamon on top. Top with butter. Bake at 350 degrees F for about 10-15 minutes or until peaches are soft and butter has melted. Stir to combine, then set aside to cool.
In small mixing bowl, combine cottage cheese, vanilla extract, 1 teaspoon sugar, and ½ teaspoon cinnamon.
Layer cheese filling, peaches, and crisp oat mixture in small glasses or mason jars.