First boild the beetroot, when it cook smash it till it soft and ready to use.
1
Add flour, eggs, oil, mashed beetroot andpinch of salt in a deep bowl. Pour in water step by step. Stir the flour with a tool.
2
Stop pouring water when you see there is no dry flour in your bowl. Grasp everything together and begin kneading the dough until your hand is clean, your bowl is clean and the dough has a smooth surface.
3
Cover dough with plastic wrap and let rest at least 30 minutes.
4
Divide dough into 4 pieces. Knead each piece until smooth. Roll with a rolling pin or pasta machine as thinly as possible (but not quite paper-thin).
5
Cut each sheet in half, making 8 smaller sheets. Dust dough sheets lightly with semolina to keep them from sticking.
6
Stack 2 or 3 sheets, roll loosely, then cut into 1/2-inch-wide noodles or other desired shape. Continue until all dough is used. Gently fluff noodles and spread on a semolina-dusted baking sheet. Refrigerate, uncovered, until ready to cook.