emerald isle crab and spinach quiche

Ingredients For emerald isle crab and spinach quiche

• 1

  prepared 9 inch pastry shell
• 1 pkg

  frozen (10 oz.) chopped spinach
• 2

  eggs, lightly beaten
• 1

  container (8 oz.) plain yogurt
• 1 Tbsp

  all purpose flour
• 1 tsp

  salt
• 1/4 tsp

  pepper
• 1 can

  (6 oz.) crabmeat, well drained and flaked
• 1/2 c

  fresh mushrooms sauteed in i teaspoon butter
• 1 c

  (4 iz,) shredded mild cheddar cheese
• 1/4 c

  chopped onion