Yes, you can knead 1 kg of flour and 700 grams of water using the Kenwood Titanium Chef Baker XL. Here are some key points to consider:

- The machine has a capacity of 7 litres, which is enough to handle such quantities of ingredients.
- The 1200 watt motor is powerful enough to handle heavy doughs and large quantities of ingredients.
- The integrated weighing function (EasyWeigh scales) allows you to measure ingredients directly into the container, facilitating the preparation process.

Thus, the quantities you specify (1 kg flour and 700 grams water) are well within the machine's capacity.