Onion & Corn Rice Casserole
This Onion & Corn Rice Casserole is a comforting one-dish meal with rich flavors from caramelized onions, Arborio rice, and sweetcorn. It's baked to perfection, yielding a crisp, golden top and a creamy, flavourful interior.
- Total time
- 60min
- 15 prep, 45 cook
- Per serving
- 514kcal
- 14 g protein
- Difficulty
- Intermediate
- Ingredients
- £1.40
- average cost
- Gluten Free
- Vegetarian
- Pescatarian

Nutrition per serving
This Onion & Corn Rice Casserole recipe contains 514 calories per serving, making it a moderate meal option. Each serving provides 14g of protein, 56g of carbohydrates, and 26g of fat, making it a balanced meal.
514kcal
Protein14g11% of calories
Carbs56g43% of calories
Fat26g46% of calories
- Fibre
- 4.9g
- Sugar
- 8g
- Saturated fat
- 8.8g
- Salt
- 2.4g
Ingredients
Servings
Method
0 of 8 done- Preheat your oven to 180°C (160°C fan-assisted). Thinly slice the yellow onion.
- In a non-stick frying pan, heat the olive oil over medium heat. Add the sliced onion and a pinch of salt, then cook for 10-15 minutes, stirring occasionally, until the onion is well caramelized.
- Add the Arborio rice to the onions in the pan and stir to coat the rice in the oils for 2 minutes. Ensure the rice becomes slightly translucent at the edges.
- Slowly pour in the vegetable stock, stirring constantly, and allow the rice to absorb the liquid on a low simmer. Cook for about 15 minutes, or until the liquid has been absorbed and the rice is al dente.
- Stir in the sweetcorn, half of the cheddar cheese, and season with black pepper. Mix until evenly combined.
- Transfer the rice mixture to a small greased baking dish, pressing it down with the back of a spoon. Sprinkle the remaining cheese over the top.
- Bake in the preheated oven for 15-20 minutes or until the cheese is melted and the top is golden and crisp.
- Remove the casserole from the oven and let it rest for a couple of minutes before serving. This allows the flavors to meld and makes it easier to slice.
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Onion & Corn Rice Casserole: questions
- How long does it take to make Onion & Corn Rice Casserole?
- This recipe takes 60 minutes in total - 15 minutes to prepare and 45 minutes to cook.
- Is Onion & Corn Rice Casserole suitable for meal prep?
- Onion & Corn Rice Casserole is a intermediate-level recipe that's great for dinner. With 14g of protein per serving, it's suitable for meal prep.
- What are the main ingredients in Onion & Corn Rice Casserole?
- The key ingredients are Arborio Rice, Onion, Olive Oil. This recipe is part of our British cuisine collection.
- Is Onion & Corn Rice Casserole healthy?
- This recipe contains 514 calories per serving with 14g of protein and is suitable for gluten free, vegetarian, pescatarian diets.
- What diets is Onion & Corn Rice Casserole suitable for?
- This recipe is specifically suited for Gluten Free, Vegetarian, Pescatarian diets. It provides 14g of protein per serving.
Recipe from MealMatcher.co.uk