Halve or quarter your mushrooms and measure out two cups. For larger mushrooms, you might want to quarter, but my mushrooms were smaller, so I just halved them

Measure and chop your broccoli florets

Line a baking sheet with parchment paper and preheat the oven to 425 degrees

Add mushrooms and broccoli to the parchment paper lined baking sheet

Sprinkle on garlic powder, onion powder, salt, and pepper

Drizzle with olive oil and use hands to toss to combine all the spices and oil evenly

Arrange vegetables in an even layer for optimal cooking

Roast at 425 degrees for 10 - 15 minutes, until beginning to brown

Taste and add salt, if necessary

Serve immediately