I use brown rice but the recipe gives you other options.

I'm not sure about the jalapeno peppers but the rest sounds really good.  The soy sauce sounds like a great addition, or even try Worchestershire sauce.  Also, I might just mix the whole thing together rather than putting the sauce on top of the rice - - but it's whatever you want.

Got this today from Great Grub:

Hamburger, colorful peppers & rice hotdish

Ingredients:

• 2 tbsp butter
• 1 medium onion, diced
• 1 green bell pepper, diced
• 1 red bell pepper, diced
• 1 jalapeno, diced
• 1 lb ground beef
• ½ cup soy sauce
• 1 tbsp garlic powder
• 1 tsp salt
• 2 tsp pepper
•  rice

Instructions:
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In a large pan, melt butter.

Add onion, green bell pepper, red bell pepper, and jalapeno and cook for 5 minutes. Add ground beef.

Cook until ground beef is fully cooked and vegetables are tender.

Drain and return to pan.

Add soy sauce and seasonings. Mix until well combined.

Serve with cooked rice

****  I buy the bags of frozen, already mixed and cut chunks of red and green peppers with onions.  Usually I buy them at the organic store but sometimes in the regular grocery store.