Heat the oil in a heavy based pan, add the onions and sweat off for 2-3 minutes, add the garlic, cook for a further 2-3 minutes, add remaining ingredients and bring to the simmer, turn down the heat and cook gently for 6-7 minutes. Cool slightly then blitz.
Place the cooked new minted potatoes into a serving bowl, coat with a little of the tomato sauce and scatter with a little crisp diced bacon and a sprinkle of basil leaves.