Asparagus Soup #1

• 4 thinly green onions (chopped)
• 1 clove pressed garlic
• 1 potato (chopped red)
• 1 vegetable
• 950 ml water
• 700 gr asparagus
• 240 ml cream
• 45 gr butter
• 16 ml soy sauce
• 9 gr tarragon