Cathe's Cajun Stuffing

• 2 celery stalks
• 1 bell pepper
• 1/2 green onions (pieces)
• 3/8 bunch
• 1/4 parsley (thick pieces)
• 650 ml water
• 260 gr jimmy dean sage sausage
• 250 gr shrimp
• 110 gr butter
• 3 gr garlic flakes