Marylyn's Cheese Blintzes

INGREDIENTS

• 1 cup water
• 3/4 cup milk
• 3 eggs
• 5 tablespoons melted butter
• 1/2 teaspoon salt
• 1 teaspoon vanilla extract
• 1 1/2 cups all-purpose flour
•  
• 1 (16 ounce) package cottage cheese
• 1 (8 ounce) package farmers cheese
• 1/4 cup sour cream
• 2 tablespoons white sugar
• 1 pinch salt
• 2 tablespoons butter, or as needed