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A slice of brown sugar oatmeal pie with a scoop of vanilla ice cream on top.

Oatmeal Pie Recipe

Lil' Luna
Easy Oatmeal Pie is an old-fashioned favorite! With a delicious brown sugar flavor, chewy layer of oatmeal, and flaky pastry—it's the perfect pie recipe. 
5 from 3 votes
Prep Time 15 mins
Cook Time 45 mins
Cooling 4 hrs
Total Time 5 hrs
Course Dessert
Cuisine American
Servings 8 pieces
Calories 420 kcal


  • 1 9" unbaked pie crust
  • 3 large eggs
  • 1 cup brown sugar
  • 2 tablespoons cornstarch
  • 1 teaspoon cinnamon
  • 1/4 teaspoon salt
  • 3/4 cup corn syrup
  • 1/4 cup butter, melted
  • 1 teaspoon vanilla extract
  • 1 cup quick oats


  • Preheat the oven to 350F degrees.
  • On a floured surface, roll out the pie crust into a circle about 12 inches in diameter.
  • Transfer the pie dough to a 9-inch glass or ceramic pie plate. Fold over the and crimp then.
  • Lightly dust the pie dough with flour then place in the fridge as you make the filling.
  • Whisk the eggs in a large bowl
  • In a separate bowl stir together the brown sugar, cornstarch, cinnamon and salt to ensure no lumps in the brown sugar.
  • Whisk the sugar mixture, corn syrup, melted butter and vanilla extract into the eggs until combined.
  • Stir in the oats.
  • Pour the batter into the pie crust.
  • Bake the pie for 45-55 minutes or until the top is set and the middle no longer wobbles when you give the pan a nudge.
  • Remove from the oven and cool fully before serving.


Calories: 420kcalCarbohydrates: 71gProtein: 5gFat: 14gSaturated Fat: 6gCholesterol: 94mgSodium: 268mgPotassium: 122mgFiber: 2gSugar: 52gVitamin A: 292IUCalcium: 52mgIron: 2mg
Keyword Oatmeal Pie
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