Simple Seasoned Black Beans

• 3 garlic (cloves crushed)
• 1 cans
• 1 quick brown rice tortilla chips (uncooked garnish)
• 1/4 beans with the back of a wooden spoon to thicken the liquid
• 1,100 gr black beans (cooked)
• 950 ml water
• 250 gr wheat couscous (uncooked whole)
• 120 gr bean cooking liquid
• 120 gr onion (chopped)
• 22 ml olive oil