Heat oven to 425°F. In 2-quart saucepan, heat beans, tomatoes, salsa and ketchup to boiling, stirring occasionally; remove from heat. Pour into ungreased 2-quart casserole.
In medium bowl, stir remaining ingredients until soft dough forms; beat 20 strokes. Drop dough by spoonfuls onto bean mixture; spread to edge of casserole.
Bake uncovered 20 to 25 minutes or until golden brown.