Creamed Peas and Sweet Corn (Nanna's)

300g can whole kernel sweet corn
small pkt frozen peas
2 rashers bacon, chopped
30g butter
1 small onion, finely chopped
1 Tbs plain flour
2/3 cup evaporated milk
salt & pepper to taste

Drain corn reserve liquid. Cook peas as directed on packet, drain.. Fry bacon till crispy. Remove bacon, add butter, sauté onion until soft. Add flour, cook 1 minute. Gradually add evaporated milk and 1/3 cup corn liquid. Stir constantly until boils and thickens. Add corn bacon and peas, season to taste. Reheat to serving temperature.