Preheat oven to 350 degrees F.
Lightly spray 9x13" baking dish with cooking spray.
In large bowl combine oats, salt, and baking powder, stirring to combine.
In separate bowl, whisk together eggs, milk, peanut butter, oil, honey, and vanilla, until well combined.
Add to dry ingredients and stir until combined.
Pour into prepared baking dish and spread it out evenly.
Dollop the jelly in about tablespoonfuls across oatmeal. Use a knife to swirl it in.
Bake in preheated oven for 30-35 minutes, until top is golden and middle is set.
Let cool for 5-10 minutes, then serve topped with another dollop of jelly.
Enjoy!