Broccoli Crevette Soup

• 1 1/2 clam base
• 950 ml milk (whole)
• 240 ml whipping cream (heavy)
• 220 gr broccoli including (ground)
• 140 gr sea clams (chopped)
• 40 gr flour
• 30 ml lemon juice
• 28 gr butter
• 30 ml vegetable oil
• 6 gr garlic (fresh chopped)