Preheat oven to 325 degrees F.
Place oats, flour, cinnamon, butter, salt, vanilla and Truvia® Baking Blend in mixing bowl, mix on low speed for 1 minute.
Scrape sides of bowl, mix on medium speed for 2 minutes.
Place 2/3 of oat mixture into greased 13-by-9-inch baking pan; set aside remaining 1/3 of mixture for topping.
Press oat mixture into bottom of pan to form crust.
For filling: blend raspberries, Truvia® Baking Blend, lemon juice and cornstarch until uniform. Spread over pressed oat mixture.
For topping, add remaining oatmeal mixture.
Bake at 325 degrees F for 35 to 40 minutes until golden brown.
This raspberry oatmeal bar has 150 calories and 4 grams of sugar compared to the full sugar version that has 230 calories and 17 grams of sugar per serving. Variation: May substitute 2 cups low-sugar raspberry preserves for prepared filling (will add additional calories and sugar).