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Overnight Steel-Cut Oats

Steel-cut oats don't soften like rolled oats when you soak them, so there are two ways to make them overnight: soak them for a chewy jar, or cook one batch on Sunday for soft, creamy oats all week.

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Overnight Steel-Cut Oats in a glass jar
At a glance: 5 minutes to mix · soak at least 6 hours · 1 jar · about 11 g protein per jar* · vegetarian · keeps 4 days in the fridge

Tips for the best overnight steel cut oats

Overnight Steel-Cut Oats recipe

Basic Overnight Steel-Cut Oats

5 minutes · 1 jar · about 11 g protein per serving*

Ingredients

  • 1/4 cup steel-cut oats
  • 3/4 cup milk
  • 1 tsp maple syrup
  • 1/4 tsp cinnamon

Directions

  1. Stir steel-cut oats, milk, maple syrup and cinnamon together in a microwave-safe jar.
  2. Cover and refrigerate overnight, 8 to 12 hours.
  3. Eat cold (chewy) or microwave uncovered 2 to 3 minutes, stirring every minute, until steaming hot.

Make it different: Use half oat milk, half water for a lighter jar.

* Protein amounts are estimates based on typical USDA values for common products. Brands vary, especially protein powder, bread and sausage, so check your labels.

More ways to make it

Make-Ahead Steel-Cut Oats (4 Jars)

35 minutes · 4 jars · about 7 g protein per serving*

Ingredients

  • 1 cup steel-cut oats
  • 3 cups water
  • 1 cup milk
  • 1 tsp cinnamon
  • 1/8 tsp salt

Directions

  1. Bring the water and salt to a boil in a medium saucepan.
  2. Stir in the steel-cut oats, lower the heat and simmer uncovered 25 to 30 minutes, stirring now and then, until tender.
  3. Stir in the milk and cinnamon. Let cool for 20 minutes, then divide among 4 jars and refrigerate within 2 hours.
  4. To serve, add a splash of milk and microwave 1 1/2 to 2 minutes, stirring halfway, until steaming hot. Add any topping from this chapter.

Make it different: Top each jar differently: berries and yogurt, banana and peanut butter, or apple and cinnamon.

Apple Cinnamon Steel-Cut Oats

5 minutes · 1 jar · about 12 g protein per serving*

Ingredients

  • 1/4 cup steel-cut oats
  • 3/4 cup milk
  • 1/2 apple
  • 1/2 tsp cinnamon
  • 1 tsp maple syrup
  • 1 tbsp walnuts

Directions

  1. Dice the apple.
  2. Stir everything except the walnuts together in a microwave-safe jar.
  3. Cover and refrigerate overnight, 8 to 12 hours.
  4. Eat cold (chewy) or microwave uncovered 2 to 3 minutes, stirring every minute, until steaming hot.
  5. Top with walnuts.

Make it different: Use a pear; swap walnuts for pecans.

Steel-Cut Protein Oats

5 minutes · 1 jar · about 26 g protein per serving*

Ingredients

  • 1/4 cup steel-cut oats
  • 3/4 cup milk
  • 1/2 scoop protein powder (vanilla)
  • 1 tbsp peanut butter
  • 1/4 tsp cinnamon

Directions

  1. Stir oats, milk and cinnamon together in a microwave-safe jar.
  2. Cover and refrigerate overnight, 8 to 12 hours.
  3. Eat cold (chewy) or microwave uncovered 2 to 3 minutes, stirring every minute, until steaming hot.
  4. After warming, stir in the protein powder and peanut butter. Adding the powder after heating keeps it from turning gritty.

Make it different: Use chocolate protein powder and almond butter.

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FAQ

Can you make overnight oats with steel-cut oats?

Yes, but they stay chewy when soaked. Use 1/4 cup steel-cut oats to 3/4 cup milk and soak 8 to 12 hours, or cook a batch ahead for a softer texture.

Do overnight steel-cut oats need to be cooked?

Soaked steel-cut oats can be eaten cold, but many people prefer them warmed. Microwave until steaming hot.

How long do cooked steel-cut oats last in the fridge?

Up to 4 days. Cool them and refrigerate within 2 hours of cooking.

More overnight oats: all overnight oats recipes · Pumpkin Overnight Oats · Peanut Butter Overnight Oats · Overnight Oats with Greek Yogurt · Cottage Cheese Overnight Oats · Overnight Oats with Chia Seeds · Simple Overnight Oats Recipe