Three-Bean And Wild Rice Casserole

Ingredients

• 1 Tbsp. salad oil
• 4 medium size carrots, cut into 1/4-inch slices
• 1 large onion, thinly sliced
• 1 (10 oz.) pkg. mushrooms, cut into 1/4-inch slices
• 3/4 tsp. salt
• 1 (10 3/4 oz.) can condensed cream of mushroom soup
• 1 1/2 c. wild rice (about 8 oz.)
• 1 (15 1/4 to 19 oz.) can red kidney beans
• 1 (16 to 19 oz.) can Great Northern beans or white kidney beans (cannellini)
• 1 (10 oz.) pkg. frozen baby lima beans, thawed
• 1/2 tsp. coarsely ground black pepper