Dashi-Simmered Mushroom & Scallion Oatmeal Cups

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A gluten-free, savory breakfast cup featuring umami-rich dashi, earthy mushrooms, and fresh scallions, baked into portable, protein-packed portions. This japanese-inspired breakfast (gluten-free) ready in about 30 minutes combines rolled oats, dashi powder, water into a breakfast that fuels the morning without the midday crash — make-ahead-friendly and balanced enough to anchor the first meal of the day. Each serving lands at about 210 calories and feeds 4, so it sits comfortably in a weekly breakfast rotation alongside fruit, yogurt, or coffee. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

★ 4.0 (9 ratings) Prep: 15 min Cook: 15 min Serves 4 Japanese cuisine 210 cal/serving
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Ingredients

Instructions

  1. Step 1: In a medium saucepan, whisk 2 tsp dashi powder into 2 cups water and bring to a gentle simmer over medium heat.
  2. Step 2: Stir in 1 cup rolled oats and simmer for 10 minutes, stirring occasionally, until thickened and creamy.
  3. Step 3: Stir in 1 cup thinly sliced shiitake mushrooms and cook for 5 more minutes until mushrooms are tender.
  4. Step 4: Remove from heat and stir in 3 finely chopped scallions, 1/2 cup crumbled silken tofu, and 1 tsp toasted sesame oil.
  5. Step 5: Divide the mixture evenly into 4 greased ramekins. Chill for at least 2 hours until set before serving to allow flavors to meld and texture to firm.

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Frequently asked questions

How long does Dashi-Simmered Mushroom & Scallion Oatmeal Cups take to make?

Total time is about 30 minutes (15 min prep + 15 min cook). Most home cooks find this fits comfortably into a busy morning; prep components the night before to save active time.

How do I store leftover Dashi-Simmered Mushroom & Scallion Oatmeal Cups?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat in the microwave or oven; egg- or grain-based items may need a splash of milk or water to refresh texture. Cold-served items (overnight oats, smoothies) keep 2–3 days in the fridge.

Can I substitute ingredients in Dashi-Simmered Mushroom & Scallion Oatmeal Cups?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Dashi-Simmered Mushroom & Scallion Oatmeal Cups for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Dashi-Simmered Mushroom & Scallion Oatmeal Cups gluten-free?

Yes — this recipe is tagged gluten-free based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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