Step 1

Preheat oven to 350°F (177°C).

Step 2

In the bowl of a large food processor, combine the oats, sugar, cinnamon, and salt, if using. Process for about 10 seconds, then pulse until the oats are mostly broken down but still coarse.

Step 3

Add the melted butter, syrup, and vanilla. Process again until everything is well combined. The mixture should be moist and easily clump together.

Step 4

Spoon the oat mixture into a 9-inch glass or ceramic pie plate, evenly distributing it around the dish. Starting in the center and working out toward the sides, firmly press the mixture into the bottom and sides. I like to use the flat bottom of a glass or measuring cup. Use your hands to make sure the sides are pressed in firmly.

Step 5

Bake for 16 to 18 minutes or until set and lightly golden. During the last few minutes in the oven, the crust may puff up slightly. After removing from the oven, use the measuring cup (or a large spoon) to gently press it down.

Step 6

Cool completely, then add your favorite no-bake filling. See Notes for tips.