Mixed Berry Greek Yogurt Muffins

INGREDIENTS

2 cups

all-purpose flour

1 cup

white sugar

1/2 tsp

salt

2 tsp

baking powder

1/3 cup

vegetable oil

eggs

2/3 cup

Greek yogurt (, I used 2% plain, Chobani Greek yogurt)

2 cups

mixed berries (blueberries, blackberries, raspberries)

2 tbsp

flour (, for berries)

2/3 cup

brown sugar

1/3 cup

flour (or more)

1 tsp

cinnamon

2 tbsp

butter (room temperature)