Chilli Beef And Cauliflower Rice Nachos

Feed a crowd with these classic beef nachos, on the table in under one hour.The ingredient of Chilli Beef And Cauliflower Rice Nachos1 2 500g head cauliflower trimmed roughly chopped2 1 2 tablespoons extra virgin olive oil420g can no added salt red kidney beans drained rinsed4 green onions thinly sliced1 brown onion finely chopped2 garlic cloves crushed3 teaspoons