Place dough onto silicone baking sheet with rim and roll out until approximately ¼″/.6 cm thick.
Trim off edges of dough with the edge of the Silicone Spatula to make a rectangle.
Using the edge of the Silicone Spatula, make as many 3½ x 4″/8 x 10 cm rectangles as possible with the dough. Re-roll any remaining dough.
Spread 1 tbsp. of jam or chopped strawberries onto each piece of dough. Fold dough into thirds to close the bar and gently press down the ends.
Preheat oven to 350° F/175° C.
Place bars onto baking pan lined with silicone baking sheet with rim. If desired, sprinkle with oats and bake for 15 minutes or until lightly brown.
Store in sealed container up to three days or freeze up to one month.