Performed a cooking chore

• Reduced to granules
• Like not-quite-mashed potatoes
• Pushed through a sieve
• Finely chopped, as potatoes
• Sieved food to a certain consistency
• Fixed potatoes
• Put through a colander
• Prepared some vegetables
• Pressed through a sieve

Wiktionary Word definitions in Wiktionary
vb. (en-past of: rice)