Easy Peach Crisp with Cinnamon Oat Streusel – Perfect Summer Dessert

Easy Peach Crisp with Cinnamon Oat Streusel is the ultimate summer dessert. After making this many times, I’ve perfected the crispy, golden topping. The trick I discovered is using old-fashioned oats for texture. This crispy, warm dessert is perfect for cookouts and family gatherings. Try it with my Perfect Brown Butter Peach Galette Recipe for a delightful summer dessert spread. If you love recipes like this, you’ll also enjoy Perfect Brown Butter Peach Galette Recipe and Perfect Classic Lattice-Top Peach Pie Recipe.

Why This Easy Peach Crisp with Cinnamon Oat Streusel – Perfect Summer Dessert Is Pure Comfort
- Golden, crispy cinnamon oat streusel
- Juicy, tender peaches in every bite
- Easy to make with simple ingredients
- Perfect for summer cookouts and family gatherings
What You'll Need for Easy Peach Crisp with Cinnamon Oat Streusel – Perfect Summer Dessert
Choosing the right ingredients makes a big difference, but this recipe is forgiving enough to work with what you have.
- 6 ripe peaches
- 1/2 cup granulated sugar
- 2 tbsp cornstarch
- 1 tsp vanilla extract
- 1 cup old-fashioned oats
- 1/2 cup all-purpose flour
- 1/2 cup light brown sugar
- 1/2 tsp ground cinnamon
- 1/4 tsp salt
- 1/2 cup cold unsalted butter
- Optional: Vanilla ice cream
- Optional: Whipped cream
- Optional: Fresh mint leaves

📝 Ingredient Notes
- Peaches: Use ripe, but firm peaches for the best texture.
đź›’ Tools & Equipment I Recommend
- KitchenAid Stand Mixer — Makes quick work of the streusel topping. → See on Amazon
- Pyrex Glass Baking Dish — Even heat distribution for perfect crisping. → See on Amazon

How to Make Easy Peach Crisp with Cinnamon Oat Streusel – Perfect Summer Dessert
- Prepare the peaches: Preheat oven to 375°F (190°C). Peel and slice peaches, then toss with sugar, cornstarch, and vanilla. Transfer to a 9-inch baking dish.
- Make the streusel: In a bowl, combine oats, flour, brown sugar, cinnamon, and salt. Cut in cold butter until crumbly. Sprinkle over peaches.
- Bake: Bake for 35-40 minutes, or until golden and bubbly. Let cool for 10 minutes before serving.
Cook's Tips for Perfect Easy Peach Crisp with Cinnamon Oat Streusel – Perfect Summer Dessert
- Common mistake and fix: Don't overmix the streusel. Keep it crumbly for the best texture.
- : For a gluten-free version, use certified gluten-free oats and flour.
- : To make ahead, prepare the filling and topping separately, then assemble and bake when ready.
Storing & Reheating Easy Peach Crisp with Cinnamon Oat Streusel – Perfect Summer Dessert
Short-Term Storage
Store in an airtight container in the fridge. Store leftovers in the fridge for up to 3 days. Make-ahead tip: Prepare the filling and topping separately up to 1 day ahead.
Freezing Easy Peach Crisp with Cinnamon Oat Streusel – Perfect Summer Dessert
Freeze individual portions for up to 2 months.
How to Reheat Without Drying It Out
Oven: Reheat in the oven at 350°F (175°C) for 15-20 minutes. Microwave: Reheat in the microwave for 1-2 minutes.
Recipe Notes
- Chef tip: Use a mix of peach varieties for different flavors and textures.
- Best substitution: Replace peaches with apples for a different twist.
- Make-ahead: Prepare the filling and topping separately up to 1 day ahead.
- Scaling: This recipe can be doubled and baked in a 9×13-inch dish.
- Troubleshooting: If the topping isn't crispy, broil for 1-2 minutes, watching closely.
Want to level up this recipe?
Parchment Paper — Easy cleanup and prevents sticking. → Check price on Amazon
Easy Peach Crisp with Cinnamon Oat Streusel – Perfect Summer Dessert

Ingredients
Main Ingredients
- 6 ripe peaches
- 1/2 cup granulated sugar
- 2 tbsp cornstarch
- 1 tsp vanilla extract
Seasonings
- 1 cup old-fashioned oats
- 1/2 cup all-purpose flour
- 1/2 cup light brown sugar
- 1/2 tsp ground cinnamon
- 1/4 tsp salt
- 1/2 cup cold unsalted butter
Optional Toppings
- Vanilla ice cream
- Whipped cream
- Fresh mint leaves
Instructions
- Prepare the peaches: Preheat oven to 375°F (190°C). Peel and slice peaches, then toss with sugar, cornstarch, and vanilla. Transfer to a 9-inch baking dish.
- Make the streusel: In a bowl, combine oats, flour, brown sugar, cinnamon, and salt. Cut in cold butter until crumbly. Sprinkle over peaches.
- Bake: Bake for 35-40 minutes, or until golden and bubbly. Let cool for 10 minutes before serving.
Notes
- Chef tip: Use a mix of peach varieties for different flavors and textures.
- Best substitution: Replace peaches with apples for a different twist.
- Make-ahead: Prepare the filling and topping separately up to 1 day ahead.
- Scaling: This recipe can be doubled and baked in a 9×13-inch dish.
- Troubleshooting: If the topping isn't crispy, broil for 1-2 minutes, watching closely.
Storage
- Fridge: Store leftovers in the fridge for up to 3 days.
- Freezer: Freeze individual portions for up to 2 months.
- Oven reheat: Reheat in the oven at 350°F (175°C) for 15-20 minutes.
- Microwave reheat: Reheat in the microwave for 1-2 minutes.
- Make ahead: Prepare the filling and topping separately up to 1 day ahead.
Nutrition Per Serving
- Calories: 320
- Protein: 3g
- Fat: 12g
- Carbs: 50g
- Fiber: 4g
- Sugar: 35g
- Sodium: 120mg
- Cholesterol: 30mg
- Sat. Fat: 7g
Nutritional values are estimates only. Actual values may vary by brand and portion size.
Easy Peach Crisp with Cinnamon Oat Streusel – Perfect Summer Dessert FAQs
Yes, but they may release more liquid. Drain and pat dry before using.
Ensure your oven temperature is accurate and broil for 1-2 minutes if needed.
No, an air fryer won't achieve the same results as a conventional oven.
Yes, prepare the filling and topping separately up to 1 day ahead.
Blanch in boiling water for 30 seconds, then shock in ice water. The skins should slip off easily.
A Warm Final Note
I can’t wait for you to try Easy Peach Crisp with Cinnamon Oat Streusel – Perfect Summer Dessert and see how effortlessly it comes together. When you make it, pop back here and leave a rating or share how it turned out — I love hearing from you!






