Artichoke Quiche

Ingredients

• 1 1/2 Tbsp. olive oil
• 1 Tbsp. butter or margarine
• 1/2 c. chopped onion
• 1 Tbsp. diced celery
• 2 cloves garlic, minced
• 2 tsp. chopped fresh parsley
• 2 (14 oz.) cans artichoke hearts, drained and chopped
• 1 (4 oz.) can sliced mushrooms, drained
• 1/3 c. (1.3 oz.) shredded Swiss cheese
• 1 1/4 c. milk
• 4 eggs
• 2/3 c. biscuit mix
• 1/4 c. grated Parmesan cheese
• 1/4 tsp. garlic powder
• 1/4 tsp. pepper