Rhiannon's Casserole Recipe

Name: Rhiannon's Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 onion, chopped; 1 garlic clove, crushed; ½ teaspoon chili, crushed; 1 small carrot, thinly sliced; 12 medium zucchini, thinly sliced; 4 -5 small broccoli florets; 12 red capsicum, finely chopped; 100 g frozen spinach, defrosted; 6 -8 mushrooms, quartered; 1 (400 g) can crushed tomatoes; 1 (95 g) can tuna with tomato and onion; herbs; balsamic vinegar

Servings: persons

1 onion, chopped
1 garlic clove, crushed
½ teaspoon chili, crushed
1 small carrot, thinly sliced
12 medium zucchini, thinly sliced
4 -5 small broccoli florets
12 red capsicum, finely chopped
100 g frozen spinach, defrosted
6 -8 mushrooms, quartered
1 (400 g) can crushed tomatoes
1 (95 g) can tuna with tomato and onion
herbs
balsamic vinegar

1
Preheat oven to 180C.
2
Cook onion, garlic, chili & capsicum in a little oil in a frying pan until the onion is translucent.
3
Add tomato & some herbs of your choosing (I used basil, parsley, oregano & rosemary) and stir thoroughly to heat through.
4
Put this mixture in your crock-pot/casserole dish along with the rest of the ingredients.
5
Add a splash or two of balsamic vinegar, a tiny bit of water (maybe 60ml) & give it another good stir.
6
Cook uncovered for about 30 minutes.
7
Serve with mashed potato with the skins left on.
8
YUM!

176

kcal

Calories

Carbs

Protein

Carbs Protein

* Per serving · 4 servings · Values may vary.

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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How did you like this recipe?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

You need 13 ingredients. The key ingredients include: 1 onion, chopped, 1 garlic clove, crushed, ½ teaspoon chili, crushed, 1 small carrot, thinly sliced, and more.

Yes, Rhiannon's Casserole falls under the Seafood category and is a great choice for this type of meal.

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

That's it — enjoy your meal!

Rhiannon's Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions