Chop for 10 seconds / speed g 5. Transfer to a separate bowl and set aside.
Remove stems and halve shitake and button mushrooms. Remove stems from thyme. Toss mushrooms and thyme in a large bowl with olive oil and salt to taste. Set aside.
Add water, milk, butter and salt to mixing bowl and cook for 8 minutes / 230°F|110°C/speed 1.
Add polenta to mixing bowl.
Spread halved shitake and button mushrooms in a single layer in deep and shallow steamer tray.
Attach the steamer and cook for 25 minutes / 230°F|110°C / speed 1. Remove the steamer.
Add parmesan cheese and black pepper to mixing bowl. Mix for 30 seconds / speed 1. Season to taste with more salt and use spatula to mix again.
Serve polenta immediately, topped with steamed mushrooms.
Enjoy your meal!
Recipe Note
TIPS:
Garnish with additional fresh thyme.
For a richer polenta, stir in a dollop of mascarpone cheese at the end.
Mushrooms should be cleaned of any visible dirt by wiping with a damp cloth.