Brown Sugar Oat Streusel Topping

Nov 3, 2026 · By VanillaGoods

Baking Frostings fillings toppings Easy

A buttery, crumbly topping of flour, brown sugar and oats that bakes into golden clusters. It is the all-purpose crumb for muffins, coffee cakes and fruit bakes. Makes 1.5 cups in about 10 minutes.

Prep 10 min

Cook —

Total 10 min

Servings 8

Ingredients

Adjust yield

servings

1 cup (120 g)all-purpose flour
½ cup (110 g)light brown sugar, packed
½ cup (45 g)old-fashioned rolled oats
1 pinch (1 g)fine salt
½ cup (113 g)unsalted butter, cold or cool, cubed

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Instructions

Stir the flour, brown sugar, oats and salt together in a bowl.
Add the butter and rub it in with your fingertips or a fork until the mixture forms clumps from pea to marble size.
Chill 10 minutes if the butter feels soft.
Scatter loosely over batter or fruit before baking, without pressing it down.
Bake with the recipe, typically at 350 F (175 C), until the topping is deep golden and crisp at the edges.

Tips

Leave some larger clumps for texture.
Keep the butter cool so the crumbs stay distinct.
Do not press the topping down.
Good with coffee cake, muffins, fruit bakes.

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Recipe FAQ

How long does it take to make brown sugar oat streusel topping?

Plan on 10 minutes of prep. The recipe makes 1.5 cups (8 servings).

How should I store brown sugar oat streusel topping?

Refrigerate in an airtight container up to 1 week or freeze up to 3 months; use straight from the freezer.

Can I make brown sugar oat streusel topping ahead?

It is at its best the day it is made; prepare it a few hours before serving.

Serve it with coffee cake, muffins, fruit bakes.

Estimated · per serving

Nutrition

Per serving = 1 of 8 servings this recipe makes.

229 Calories / serving

12.0g Fat

28.7g Carbs

2.4g Protein

13.5g Sugar

Whole recipe (8 servings): ~1832 cal · 96g fat · 230g carbs · 19g protein · 108g sugar

Estimated values per serving, calculated from standard ingredient data. Not verified Nutrition Facts; actual values vary with brands, measurements, and preparation.