Combine salmon steaks, yellow bell pepper, green bell pepper, red wine vinegar, olive oil, garlic powder, dried oregano and salt in a Medium Ziploc® Zip'n Steam® Bag.
Seal bag and shake to mix ingredients.
Pat ingredients into an even, single layer. Place bag in microwave.
Cook on full power for 5 minutes (Medium bag) or 4 1/2 minutes (Large bag) or until salmon is cooked through and flakes easily. If needed, continue microwaving at 30-second intervals until done.
Allow bag to stand 1 minute before handling. Gently squeeze bag to distribute seasonings. Carefully open bag. Serve with dipping sauce.