HEAT the ghee in a large skillet over medium-high heat.
BROWN the ground beef for 2-3 minutes then add the onion, garlic, butternut squash, and red and green pepper.
SAUTE for about 5 minutes, until the onion and peppers begin to soften.
STIR in the remaining ingredients, reduce heat to medium-low, cover, and simmer for about 20 minutes, until the butternut squash is tender and most of the liquid has evaporated.
SERVE over 1 ½ cups steamed or lightly sautéd cauli rice.