1 (8 1/4 oz.) can crushed pineapple
2 c. Bisquick baking mix
1 tbsp. sugar
1/2 c. milk
1 egg
1/2 c. shredded Cheddar cheese (about 2 oz.)

Preheat oven to 400 degrees. Line 12 medium muffin cups with paper baking cups. Mix pineapple with syrup and the remaining ingredients. Beat vigorously 30 seconds. Fill muffin cups about 2/3 full. Bake until light golden brown and wooden pick inserted in center comes out clean, about 15 minutes.