# Frozen mixed vegetables and sweetcorn cooking times

How long to cook frozen mixed vegetables: **3–5 min boiled, 5–6 min steamed, 4–5 min in the microwave and 20–25 min in the oven at 220°C (200°C fan)**. Every way to cook it is below, with the temperature and how to tell it’s done.

Source: https://feastflow.co.uk/frozen-mixed-vegetables-cooking-times (FeastFlow free cooking-time guides). Last checked 11 November 2026.

## How long to cook frozen mixed vegetables

Times are for 300 g, for 4.

Frozen mixed vegetables and sweetcorn: cooking times by method:

| Method | Time | Heat | How |
| --- | --- | --- | --- |
| [Boil](https://feastflow.co.uk/boiling-times) | 3–5 min | in boiling salted water | – |
| [Steam](https://feastflow.co.uk/steaming-times) | 5–6 min | over simmering water | – |
| [Microwave](https://feastflow.co.uk/microwave-cooking-times) | 4–5 min | on full power, covered | With 2 tablespoons of water; stir halfway. |
| [Oven](https://feastflow.co.uk/oven-cooking-times) | 20–25 min | 220°C (200°C fan), 425°F, gas 7 | From frozen, tossed in oil and spread out. |
| [Air fryer](https://feastflow.co.uk/air-fryer-cooking-times) | 10–12 min | 200°C (400°F) | From frozen, with a teaspoon of oil; shake every few minutes. |

## Before you start

Cook from frozen.

## How to tell it’s done

Piping hot all the way through and tender.

## Questions

### How long to boil frozen mixed vegetables?

3–5 min in boiling salted water.

### How long to steam frozen mixed vegetables?

5–6 min over simmering water.

### How long to microwave frozen mixed vegetables?

4–5 min on full power, covered. With 2 tablespoons of water; stir halfway.

### How long to cook frozen mixed vegetables in the oven?

20–25 min at 220°C (200°C fan), 425°F, gas 7. From frozen, tossed in oil and spread out.

### How long to cook frozen mixed vegetables in an air fryer?

10–12 min at 200°C (400°F). From frozen, with a teaspoon of oil; shake every few minutes.

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Times are a guide for typical home portions: ovens, air fryers, microwaves and sizes vary. Check meat, poultry and fish with a thermometer. Safe temperatures follow USDA and UK Food Standards Agency guidance.

FeastFlow also plans a whole meal backwards from serving time, with every dish timed and oven temperatures that don’t clash: https://feastflow.co.uk/