In a large bowl, mix the oats, butter, corn syrup, baking soda, brown sugar and vanilla until well-combined.
Press into greased and floured 9"x13" pan.
Bake for 9 minutes. Allow to cool.
For the Frosting
Melt the chocolate chips in a saucepan over low-medium heat on the stove or in a microwave-safe bowl in the microwave.
Remove from heat and stir in the peanut butter.
Spread over bars and allow to cool.
Cut into squares and serve.
Notes
Proper Mixing Technique: When combining the ingredients for the bars, ensure thorough mixing to evenly distribute the butter, corn syrup, baking soda, brown sugar, and vanilla. This will result in a cohesive dough and uniform texture in the baked bars.
Even Pressing: When pressing the oat mixture into the pan, aim for an even layer to ensure consistent baking. Use a spatula or the back of a spoon to press the mixture firmly and evenly into the greased and floured pan. This will help the bars bake evenly and prevent any parts from being undercooked.
Careful Melting: When melting the chocolate chips for the frosting, use gentle heat and stir frequently to prevent burning. Whether on the stove or in the microwave, melt the chocolate chips slowly to avoid scorching. Stir in the peanut butter only after the chocolate is fully melted and smooth for a creamy and delicious frosting.