Preheat your oven to 220°C/200°C fan/gas mark 7.
Bring a large saucepan of water to the boil with 1/2 tsp salt for the potatoes.
Trim and halve the carrots lengthways (no need to peel). Pop onto a large baking tray. Drizzle with oil, season with salt and pepper, then toss to coat. Spread out in a single layer on one side of the tray.
Pop the sausages onto the other side of the tray. IMPORTANT: Wash your hands and equipment after handling raw meat.

When the oven is hot, roast the carrots and sausages on the top shelf until the carrots are tender and the sausages are golden brown and cooked through, 20-25 mins. IMPORTANT: The sausages are cooked when no longer pink in the middle.
Meanwhile, pop the garlic (unpeeled) into a small piece of foil with a drizzle of oil and scrunch to enclose it.
Add to the baking tray to roast until soft, 10-12 mins, then remove and set aside.

While everything roasts, chop the potatoes into 2cm chunks (peel first if you prefer).
When your pan of water is boiling, add the potatoes and cook until you can easily slip a knife through, 15-20 mins.
Once cooked, drain in a colander and pop back into the pan. Cover with a lid to keep warm.

Meanwhile, heat a drizzle of oil in a large frying pan on medium-high heat.
Once hot, add the bacon lardons and stir-fry for 3 mins. Add the mushrooms, season with salt and pepper, then stir-fry until golden, 4-5 mins.
Pour in the water for the sauce (see ingredients for amount) and bring to the boil, then stir in the red wine jus paste.
Reduce the heat to medium and allow the sauce to bubble and thicken, stirring regularly, 5-6 mins. Add a splash of water if it's a little thick, then remove from the heat.

Once the roasted garlic has cooled, cut the end with scissors, squeeze it out of the skin and mash with a fork.
Add to the cooked potatoes with a knob of butter and a splash of milk (if you have any) and mash until smooth. Season to taste with salt and pepper.

When everything is ready, reheat the sauce if needed, adding a splash of water if you feel it needs it.
Share the sausages between your plates, then serve with the garlic mash and roasted carrots alongside.
Spoon over the bacon and mushroom sauce to finish. Enjoy!