Balinese Pork Satay (Sate Celeng) #bali #food #cooking #recipe #food #balinesefood #pork #spicy

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Ingredients • 2 tbsp salted butter, divided • 225 g/8 oz button mushrooms, sliced • 1 onion, thinly sliced • 450 g/1 lb sirloin steak, sliced thinly • 2 tbsp all-purpose flour • 1 cube beef broth • ½ tsp ground mustard seeds, (or 1 tbsp whole grain mustard) • 1 tbsp tomato paste •…