Fill in the blanks with the correct form of the verb, given in brackets.Yesterday my mum _____ (cooked / cooking) borsch.She

Yesterday my mum cooked borsch. She took two beets, seven potatoes, one carrot, some cabbage and two onions. She peeled beats, potatoes and a carrot. Then she cut them and the cabbage. After that she put the vegetables into a pot and boiled them. Then my mum took an onion and chopped it and put into a pan with hot oil. And when the onion was ready, she poured it out into the pot with vegetables. At last she put some sour cream. And borsch was ready.